No issue: Upgrade GitHub actions

Author: reckart

.github/workflows/publish_to_pypi.yml

@@ -31,7 +31,7 @@ jobs:
         repository_url: https://test.pypi.org/legacy/
     - name: Publish package to PyPI
       if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags')
-      uses: pypa/gh-action-pypi-publish@master
+      uses: pypa/gh-action-pypi-publish@release/v1
       with:
         user: __token__
         password: ${{ secrets.pypi_password }}