Update pypi.yml

Author: nfaguirrec

.github/workflows/pypi.yml

@@ -19,7 +19,7 @@ jobs:
         pip install setuptools wheel twine
         python setup.py bdist_wheel
     - name: Publish package
-      uses: pypa/gh-action-pypi-publish@master
+      uses: pypa/gh-action-pypi-publish@release/v1
       with:
         user: __token__
         password: ${{ secrets.PYPI_TOKEN }}