Upgraded pypi publish action version

Author: Smurf2-pluto

.github/workflows/release.yml

@@ -29,8 +29,8 @@ 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/v1.8
         with:
           user: jazzband
           password: ${{ secrets.JAZZBAND_RELEASE_KEY }}
-          repository_url: https://jazzband.co/projects/django-polymorphic/upload
+          repository_url: https://jazzband.co/projects/django-polymorphic/upload