Use tag event instead of release.

.github/workflows/release.yml

@@ -2,11 +2,8 @@ name: Release
 
 on:
   push:
-    branches:
-      - master
-  release:
-    types:
-      - published
+    tags:
+    - '*'
 
 jobs:
   build:
@@ -48,7 +45,7 @@ jobs:
           twine check dist/*
 
       - name: Upload packages to Jazzband
-        if: github.event.action == 'published'
+        if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags')
         uses: pypa/gh-action-pypi-publish@master
         with:
           user: jazzband