Update pypi GHA to new syntax (#937)

Author: mmaeng

.github/workflows/pypi-release.yaml

@@ -22,6 +22,6 @@ jobs:
       run: |
         python setup.py sdist bdist_wheel
     - name: Publish distribution 📦 to PyPI (If triggered from release)
-      uses: pypa/gh-action-pypi-publish@master
+      uses: pypa/gh-action-pypi-publish@release/v1
       with:
         password: ${{ secrets.PYPI_API_KEY_CLOUDFORMATION_CLI }}