publish to pypi on github release instead of tag

.github/workflows/build-and-release.yml

@@ -6,6 +6,9 @@ on:
   push:
     branches:
       - main
+  release:
+    types:
+      - published
 
 jobs:
   build_wheels:
@@ -46,7 +49,9 @@ jobs:
     environment: pypi
     permissions:
       id-token: write
-    if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/')
+    if: github.event_name == 'release' && github.event.action == 'published'
+    # or, alternatively, upload to PyPI on every tag starting with 'v' (remove on: release above to use this)
+    # if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v')
     steps:
       - uses: actions/download-artifact@v4
         with: