Bump mkdocs from 1.1.2 to 1.2.1

Bumps [mkdocs](https://github.com/mkdocs/mkdocs) from 1.1.2 to 1.2.1.
- [Release notes](https://github.com/mkdocs/mkdocs/releases)
- [Commits](https://github.com/mkdocs/mkdocs/compare/1.1.2...1.2.1)

---
updated-dependencies:
- dependency-name: mkdocs
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

poetry.lock

@@ -149,16 +149,22 @@ ssh = ["bcrypt (>=3.1.5)"]
 test = ["pytest (>=6.0)", "pytest-cov", "pytest-subtests", "pytest-xdist", "pretend", "iso8601", "pytz", "hypothesis (>=1.11.4,!=3.79.2)"]
 
 [[package]]
-name = "future"
+name = "ghp-import"
-version = "0.18.2"
+version = "2.0.1"
-description = "Clean single-source support for Python 3 and 2"
+description = "Copy your docs directly to the gh-pages branch."
 category = "dev"
 optional = false
-python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*"
+python-versions = "*"
+
+[package.dependencies]
+python-dateutil = ">=2.8.1"
+
+[package.extras]
+dev = ["twine", "markdown", "flake8"]
 
 [[package]]
 name = "importlib-metadata"
-version = "3.7.2"
+version = "3.10.1"
 description = "Read metadata from Python packages"
 category = "main"
 optional = false
@@ -170,7 +176,7 @@ zipp = ">=0.5"
 
 [package.extras]
 docs = ["sphinx", "jaraco.packaging (>=8.2)", "rst.linker (>=1.9)"]
-testing = ["pytest (>=3.5,!=3.7.3)", "pytest-checkdocs (>=1.2.3)", "pytest-flake8", "pytest-cov", "pytest-enabler", "packaging", "pep517", "pyfakefs", "flufl.flake8", "pytest-black (>=0.3.7)", "pytest-mypy", "importlib-resources (>=1.3)"]
+testing = ["pytest (>=4.6)", "pytest-checkdocs (>=2.4)", "pytest-flake8", "pytest-cov", "pytest-enabler (>=1.0.1)", "packaging", "pep517", "pyfakefs", "flufl.flake8", "pytest-black (>=0.3.7)", "pytest-mypy", "importlib-resources (>=1.3)"]
 
 [[package]]
 name = "iniconfig"
@@ -205,14 +211,6 @@ MarkupSafe = ">=0.23"
 [package.extras]
 i18n = ["Babel (>=0.8)"]
 
-[[package]]
-name = "joblib"
-version = "0.17.0"
-description = "Lightweight pipelining: using Python functions as pipeline jobs."
-category = "dev"
-optional = false
-python-versions = ">=3.6"
-
 [[package]]
 name = "keyring"
 version = "23.0.1"
@@ -231,34 +229,6 @@ SecretStorage = {version = ">=3.2", markers = "sys_platform == \"linux\""}
 docs = ["sphinx", "jaraco.packaging (>=8.2)", "rst.linker (>=1.9)"]
 testing = ["pytest (>=4.6)", "pytest-checkdocs (>=2.4)", "pytest-flake8", "pytest-cov", "pytest-enabler (>=1.0.1)", "pytest-black (>=0.3.7)", "pytest-mypy"]
 
-[[package]]
-name = "livereload"
-version = "2.6.3"
-description = "Python LiveReload is an awesome tool for web developers"
-category = "dev"
-optional = false
-python-versions = "*"
-
-[package.dependencies]
-six = "*"
-tornado = {version = "*", markers = "python_version > \"2.7\""}
-
-[[package]]
-name = "lunr"
-version = "0.5.8"
-description = "A Python implementation of Lunr.js"
-category = "dev"
-optional = false
-python-versions = "*"
-
-[package.dependencies]
-future = ">=0.16.0"
-nltk = {version = ">=3.2.5", optional = true, markers = "python_version > \"2.7\" and extra == \"languages\""}
-six = ">=1.11.0"
-
-[package.extras]
-languages = ["nltk (>=3.2.5,<3.5)", "nltk (>=3.2.5)"]
-
 [[package]]
 name = "markdown"
 version = "3.3.3"
@@ -281,22 +251,36 @@ category = "dev"
 optional = false
 python-versions = ">=2.7,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*"
 
+[[package]]
+name = "mergedeep"
+version = "1.3.4"
+description = "A deep merge function for 🐍."
+category = "dev"
+optional = false
+python-versions = ">=3.6"
+
 [[package]]
 name = "mkdocs"
-version = "1.1.2"
+version = "1.2.1"
 description = "Project documentation with Markdown."
 category = "dev"
 optional = false
-python-versions = ">=3.5"
+python-versions = ">=3.6"
 
 [package.dependencies]
 click = ">=3.3"
+ghp-import = ">=1.0"
+importlib-metadata = ">=3.10"
 Jinja2 = ">=2.10.1"
-livereload = ">=2.5.1"
-lunr = {version = "0.5.8", extras = ["languages"]}
 Markdown = ">=3.2.1"
+mergedeep = ">=1.3.4"
+packaging = ">=20.5"
 PyYAML = ">=3.10"
-tornado = ">=5.0"
+pyyaml-env-tag = ">=0.1"
+watchdog = ">=2.0"
+
+[package.extras]
+i18n = ["babel (>=2.9.0)"]
 
 [[package]]
 name = "mypy-extensions"
@@ -306,28 +290,6 @@ category = "dev"
 optional = false
 python-versions = "*"
 
-[[package]]
-name = "nltk"
-version = "3.5"
-description = "Natural Language Toolkit"
-category = "dev"
-optional = false
-python-versions = "*"
-
-[package.dependencies]
-click = "*"
-joblib = "*"
-regex = "*"
-tqdm = "*"
-
-[package.extras]
-all = ["requests", "numpy", "python-crfsuite", "scikit-learn", "twython", "pyparsing", "scipy", "matplotlib", "gensim"]
-corenlp = ["requests"]
-machine_learning = ["gensim", "numpy", "python-crfsuite", "scikit-learn", "scipy"]
-plot = ["matplotlib"]
-tgrep = ["pyparsing"]
-twitter = ["twython"]
-
 [[package]]
 name = "packaging"
 version = "20.8"
@@ -490,6 +452,17 @@ category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*, !=3.5.*"
 
+[[package]]
+name = "pyyaml-env-tag"
+version = "0.1"
+description = "A custom YAML tag for referencing environment variables in YAML files. "
+category = "dev"
+optional = false
+python-versions = ">=3.6"
+
+[package.dependencies]
+pyyaml = "*"
+
 [[package]]
 name = "regex"
 version = "2020.11.13"
@@ -534,25 +507,6 @@ category = "dev"
 optional = false
 python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*"
 
-[[package]]
-name = "tornado"
-version = "6.1"
-description = "Tornado is a Python web framework and asynchronous networking library, originally developed at FriendFeed."
-category = "dev"
-optional = false
-python-versions = ">= 3.5"
-
-[[package]]
-name = "tqdm"
-version = "4.54.1"
-description = "Fast, Extensible Progress Meter"
-category = "dev"
-optional = false
-python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,>=2.7"
-
-[package.extras]
-dev = ["py-make (>=0.1.0)", "twine", "argopt", "pydoc-markdown", "wheel"]
-
 [[package]]
 name = "typed-ast"
 version = "1.4.3"
@@ -580,6 +534,17 @@ python-versions = "*"
 [package.dependencies]
 pytz = "*"
 
+[[package]]
+name = "watchdog"
+version = "2.1.2"
+description = "Filesystem events monitoring"
+category = "dev"
+optional = false
+python-versions = ">=3.6"
+
+[package.extras]
+watchmedo = ["PyYAML (>=3.10)", "argh (>=0.24.1)"]
+
 [[package]]
 name = "xmltodict"
 version = "0.12.0"
@@ -620,7 +585,7 @@ testing = ["pytest (>=3.5,!=3.7.3)", "pytest-checkdocs (>=1.2.3)", "pytest-flake
 [metadata]
 lock-version = "1.1"
 python-versions = ">=3.7.0, <3.10"
-content-hash = "4d9054a240b279da990b8038623d8b2025487ef37162f7f7ef4a4ff8cbae872b"
+content-hash = "3a503bcc53b1adcf57e39c8b9f10ee32922f2f72ac957890b11f4a2920525ea3"
 
 [metadata.files]
 ansiwrap = [
@@ -715,12 +680,12 @@ cryptography = [
     {file = "cryptography-3.4.7-pp37-pypy37_pp73-manylinux2014_x86_64.whl", hash = "sha256:ee77aa129f481be46f8d92a1a7db57269a2f23052d5f2433b4621bb457081cc9"},
     {file = "cryptography-3.4.7.tar.gz", hash = "sha256:3d10de8116d25649631977cb37da6cbdd2d6fa0e0281d014a5b7d337255ca713"},
 ]
-future = [
+ghp-import = [
-    {file = "future-0.18.2.tar.gz", hash = "sha256:b1bead90b70cf6ec3f0710ae53a525360fa360d306a86583adc6bf83a4db537d"},
+    {file = "ghp-import-2.0.1.tar.gz", hash = "sha256:753de2eace6e0f7d4edfb3cce5e3c3b98cd52aadb80163303d1d036bda7b4483"},
 ]
 importlib-metadata = [
-    {file = "importlib_metadata-3.7.2-py3-none-any.whl", hash = "sha256:407d13f55dc6f2a844e62325d18ad7019a436c4bfcaee34cda35f2be6e7c3e34"},
+    {file = "importlib_metadata-3.10.1-py3-none-any.whl", hash = "sha256:2ec0faae539743ae6aaa84b49a169670a465f7f5d64e6add98388cc29fd1f2f6"},
-    {file = "importlib_metadata-3.7.2.tar.gz", hash = "sha256:18d5ff601069f98d5d605b6a4b50c18a34811d655c55548adc833e687289acde"},
+    {file = "importlib_metadata-3.10.1.tar.gz", hash = "sha256:c9356b657de65c53744046fa8f7358afe0714a1af7d570c00c3835c2d724a7c1"},
 ]
 iniconfig = [
     {file = "iniconfig-1.1.1-py2.py3-none-any.whl", hash = "sha256:011e24c64b7f47f6ebd835bb12a743f2fbe9a26d4cecaa7f53bc4f35ee9da8b3"},
@@ -734,21 +699,10 @@ jinja2 = [
     {file = "Jinja2-2.11.2-py2.py3-none-any.whl", hash = "sha256:f0a4641d3cf955324a89c04f3d94663aa4d638abe8f733ecd3582848e1c37035"},
     {file = "Jinja2-2.11.2.tar.gz", hash = "sha256:89aab215427ef59c34ad58735269eb58b1a5808103067f7bb9d5836c651b3bb0"},
 ]
-joblib = [
-    {file = "joblib-0.17.0-py3-none-any.whl", hash = "sha256:698c311779f347cf6b7e6b8a39bb682277b8ee4aba8cf9507bc0cf4cd4737b72"},
-    {file = "joblib-0.17.0.tar.gz", hash = "sha256:9e284edd6be6b71883a63c9b7f124738a3c16195513ad940eae7e3438de885d5"},
-]
 keyring = [
     {file = "keyring-23.0.1-py3-none-any.whl", hash = "sha256:8f607d7d1cc502c43a932a275a56fe47db50271904513a379d39df1af277ac48"},
     {file = "keyring-23.0.1.tar.gz", hash = "sha256:045703609dd3fccfcdb27da201684278823b72af515aedec1a8515719a038cb8"},
 ]
-livereload = [
-    {file = "livereload-2.6.3.tar.gz", hash = "sha256:776f2f865e59fde56490a56bcc6773b6917366bce0c267c60ee8aaf1a0959869"},
-]
-lunr = [
-    {file = "lunr-0.5.8-py2.py3-none-any.whl", hash = "sha256:aab3f489c4d4fab4c1294a257a30fec397db56f0a50273218ccc3efdbf01d6ca"},
-    {file = "lunr-0.5.8.tar.gz", hash = "sha256:c4fb063b98eff775dd638b3df380008ae85e6cb1d1a24d1cd81a10ef6391c26e"},
-]
 markdown = [
     {file = "Markdown-3.3.3-py3-none-any.whl", hash = "sha256:c109c15b7dc20a9ac454c9e6025927d44460b85bd039da028d85e2b6d0bcc328"},
     {file = "Markdown-3.3.3.tar.gz", hash = "sha256:5d9f2b5ca24bc4c7a390d22323ca4bad200368612b5aaa7796babf971d2b2f18"},
@@ -807,17 +761,18 @@ markupsafe = [
     {file = "MarkupSafe-1.1.1-cp39-cp39-win_amd64.whl", hash = "sha256:b7d644ddb4dbd407d31ffb699f1d140bc35478da613b441c582aeb7c43838dd8"},
     {file = "MarkupSafe-1.1.1.tar.gz", hash = "sha256:29872e92839765e546828bb7754a68c418d927cd064fd4708fab9fe9c8bb116b"},
 ]
+mergedeep = [
+    {file = "mergedeep-1.3.4-py3-none-any.whl", hash = "sha256:70775750742b25c0d8f36c55aed03d24c3384d17c951b3175d898bd778ef0307"},
+    {file = "mergedeep-1.3.4.tar.gz", hash = "sha256:0096d52e9dad9939c3d975a774666af186eda617e6ca84df4c94dec30004f2a8"},
+]
 mkdocs = [
-    {file = "mkdocs-1.1.2-py3-none-any.whl", hash = "sha256:096f52ff52c02c7e90332d2e53da862fde5c062086e1b5356a6e392d5d60f5e9"},
+    {file = "mkdocs-1.2.1-py3-none-any.whl", hash = "sha256:11141126e5896dd9d279b3e4814eb488e409a0990fb638856255020406a8e2e7"},
-    {file = "mkdocs-1.1.2.tar.gz", hash = "sha256:f0b61e5402b99d7789efa032c7a74c90a20220a9c81749da06dbfbcbd52ffb39"},
+    {file = "mkdocs-1.2.1.tar.gz", hash = "sha256:6e0ea175366e3a50d334597b0bc042b8cebd512398cdd3f6f34842d0ef524905"},
 ]
 mypy-extensions = [
     {file = "mypy_extensions-0.4.3-py2.py3-none-any.whl", hash = "sha256:090fedd75945a69ae91ce1303b5824f428daf5a028d2f6ab8a299250a846f15d"},
     {file = "mypy_extensions-0.4.3.tar.gz", hash = "sha256:2d82818f5bb3e369420cb3c4060a7970edba416647068eb4c5343488a6c604a8"},
 ]
-nltk = [
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-]
 packaging = [
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     {file = "packaging-20.8.tar.gz", hash = "sha256:78598185a7008a470d64526a8059de9aaa449238f280fc9eb6b13ba6c4109093"},
@@ -908,6 +863,10 @@ pyyaml = [
     {file = "PyYAML-5.4.1-cp39-cp39-win_amd64.whl", hash = "sha256:c20cfa2d49991c8b4147af39859b167664f2ad4561704ee74c1de03318e898db"},
     {file = "PyYAML-5.4.1.tar.gz", hash = "sha256:607774cbba28732bfa802b54baa7484215f530991055bb562efbed5b2f20a45e"},
 ]
+pyyaml-env-tag = [
+    {file = "pyyaml_env_tag-0.1-py3-none-any.whl", hash = "sha256:af31106dec8a4d68c60207c1886031cbf839b68aa7abccdb19868200532c2069"},
+    {file = "pyyaml_env_tag-0.1.tar.gz", hash = "sha256:70092675bda14fdec33b31ba77e7543de9ddc88f2e5b99160396572d11525bdb"},
+]
 regex = [
     {file = "regex-2020.11.13-cp36-cp36m-macosx_10_9_x86_64.whl", hash = "sha256:8b882a78c320478b12ff024e81dc7d43c1462aa4a3341c754ee65d857a521f85"},
     {file = "regex-2020.11.13-cp36-cp36m-manylinux1_i686.whl", hash = "sha256:a63f1a07932c9686d2d416fb295ec2c01ab246e89b4d58e5fa468089cab44b70"},
@@ -967,53 +926,6 @@ toml = [
     {file = "toml-0.10.2-py2.py3-none-any.whl", hash = "sha256:806143ae5bfb6a3c6e736a764057db0e6a0e05e338b5630894a5f779cabb4f9b"},
     {file = "toml-0.10.2.tar.gz", hash = "sha256:b3bda1d108d5dd99f4a20d24d9c348e91c4db7ab1b749200bded2f839ccbe68f"},
 ]
-tornado = [
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pyproject.toml

@@ -45,7 +45,7 @@ tzlocal = ">2.0, <3.0"   # https://github.com/regebro/tzlocal/blob/master/CHANGE
 
 [tool.poetry.dev-dependencies]
 behave = "^1.2"
-mkdocs = "^1.0"
+mkdocs = "^1.2"
 black = {version = "^21.5b2",allow-prereleases = true}
 toml = ">=0.10"
 pyflakes = ">=2.2.0"