Point to pypa/gh-action-pypi-publish@release/v1

Author: wch

.github/workflows/pytest.yaml

@@ -80,7 +80,7 @@ jobs:
 
       ## prod deploy ----
       - name: "Deploy to PyPI"
-        uses: pypa/gh-action-pypi-publish@master
+        uses: pypa/gh-action-pypi-publish@release/v1
         if: startsWith(github.event.release.name, 'shinywidgets')
         with:
           user: __token__