Fix release Action reference (as suggested by author)

The Action emits a warning when gh-action-pypi-publish is used with `master` as a reference. The authors suggest to update to `release/v1`. See jazzband/django-analytical#241 (comment) and https://github.com/pypa/gh-action-pypi-publish?tab=readme-ov-file#-master-branch-sunset-

Author: bittner

.github/workflows/release.yml

@@ -33,7 +33,7 @@ jobs:
 
       - name: Upload packages to Jazzband
         if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags')
-        uses: pypa/gh-action-pypi-publish@master
+        uses: pypa/gh-action-pypi-publish@release/v1
         with:
           user: jazzband
           password: ${{ secrets.JAZZBAND_RELEASE_KEY }}