general/ci: clean up mypy-misc pipeline, only exclude specific files instead

marked some module configs which aren't really ready for public use as type: ignore

my/telegram/telegram_backup.py

@@ -51,7 +51,7 @@ def _message_from_row(r: sqlite3.Row, *, chats: Chats) -> Message:
         id=r['message_id'],
         time=time,
         chat=chat,
-        sender=sender,
+        sender=User(id=sender.id, name=sender.name),
         text=r['text'],
     )