Update actions/checkout action to v3

.github/workflows/changelog.yaml

@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           token: ${{ secrets.JRNL_BOT_TOKEN }}
 

.github/workflows/docs.yaml

@@ -32,7 +32,7 @@ jobs:
         os: [ ubuntu-latest ]
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
 
     - name: Set up Python
       uses: actions/setup-python@v4

.github/workflows/release.yaml

@@ -71,7 +71,7 @@ jobs:
         python-version: 3.9
 
     - name: Checkout repo
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
       with:
         token: ${{ secrets.JRNL_BOT_TOKEN }}
 

.github/workflows/testing_pipelines.yaml

@@ -26,7 +26,7 @@ jobs:
         os: [ ubuntu-latest ]
     steps:
       - run: git config --global core.autocrlf false
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Check workflow files
         uses: docker://rhysd/actionlint:latest
         with:

.github/workflows/testing_prs.yaml

@@ -39,7 +39,7 @@ jobs:
         os: [ ubuntu-latest, macos-latest, windows-latest ]
     steps:
       - run: git config --global core.autocrlf false
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Run tests
         uses: ./.github/actions/run_tests
         with:

.github/workflows/testing_schedule.yaml

@@ -21,7 +21,7 @@ jobs:
         os: [ ubuntu-latest, macos-latest, windows-latest ]
     steps:
       - run: git config --global core.autocrlf false
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Run tests
         uses: ./.github/actions/run_tests
         with: