chore(ci): simplify release trigger to only published events

Draft releases don't trigger created/edited events, so these were
unused. The workflow now only triggers on:
- Tag push: publishes to TestPyPI for testing
- Release published: publishes to PyPI

Author: tbhb

.github/workflows/release.yml

@@ -6,7 +6,7 @@ on:
     tags:
       - "v*"
   release:
-    types: [created, edited, published]
+    types: [published]
 
 concurrency:
   group: release-${{ github.ref }}