Fix wheel push

Author: benjeffery

.github/workflows/wheels.yml

@@ -195,9 +195,9 @@ jobs:
           cp */*.{whl,gz} dist/.
       - name: Publish distribution to Test PyPI
         if: github.event_name == 'push' && startsWith(github.event.ref, 'refs/tags')
-        uses: pypa/gh-action-pypi-publish@master
+        uses: pypa/gh-action-pypi-publish@release/v1
         with:
           repository_url: https://test.pypi.org/legacy/
       - name: Publish distribution to PRODUCTION PyPI
         if: github.event_name == 'release'
-        uses: pypa/gh-action-pypi-publish@master
+        uses: pypa/gh-action-pypi-publish@release/v1