chore: remove release trigger on push

Author: zhongyu09

.github/workflows/publish.yml

@@ -1,9 +1,6 @@
 name: Publish to PyPI
 
 on:
-  push:
-    tags:
-      - 'v*'  # Trigger on version tag push, e.g., v1.0.0
   release:
     types: [published]  # Trigger when a release is published
   workflow_dispatch:  # Allow manual triggering
@@ -78,7 +75,7 @@ jobs:
   publish:
     needs: build
     runs-on: ubuntu-latest
-    if: github.event_name == 'release' || (github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v'))
+    if: github.event_name == 'release'
     environment:
       name: pypi
       url: https://pypi.org/p/openchatbi