Update action to lastest version

.github/workflows/release_to_pypi.yml

@@ -12,10 +12,10 @@ jobs:
 
     steps:
       - name: Checkout source
-        uses: actions/checkout@v2
+        uses: actions/checkout@main
 
       - name: Set up Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@main
         with:
           python-version: "3.x"
 
@@ -25,14 +25,14 @@ jobs:
           python -m build
           twine check --strict dist/*
       - name: Publish distribution to PyPI
-        uses: pypa/gh-action-pypi-publish@master
+        uses: pypa/gh-action-pypi-publish@main
         with:
           user: __token__
           password: ${{ secrets.PYPI_API_TOKEN }}
 
       - name: Create GitHub Release
         id: create_release
-        uses: actions/create-release@v1
+        uses: actions/create-release@main
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} # This token is provided by Actions, you do not need to create your own token
         with:
@@ -48,7 +48,7 @@ jobs:
           echo "name=$1" >> $GITHUB_ENV
       - name: Upload Release Asset (sdist) to GitHub
         id: upload-release-asset
-        uses: actions/upload-release-asset@v1
+        uses: actions/upload-release-asset@main
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with: