ci(tests): Add tsuyoshicho/action-mypy

See also: https://github.com/tsuyoshicho/action-mypy

Author: tony

.github/workflows/tests.yml

@@ -42,7 +42,17 @@ jobs:
         run: poetry run flake8
 
       - name: Lint with mypy
-        run: poetry run mypy .
+        uses: tsuyoshicho/action-mypy@v3
+        with:
+          github_token: ${{ secrets.github_token }}
+          # Change reviewdog reporter if you need [github-pr-check,github-check,github-pr-review].
+          reporter: github-pr-review
+          # Change reporter level if you need.
+          # GitHub Status Check won't become failure with warning.
+          # level: warning
+          # Change the current directory to run mypy command.
+          # mypy command reads setup.cfg or other settings file in this path.
+          # workdir: .
 
       - name: Print python versions
         run: |