Trigger publish workflow on tag push

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: valarpirai

.github/workflows/gradle-publish.yml

@@ -8,6 +8,9 @@
 name: Gradle Package
 
 on:
+  push:
+    tags:
+      - 'v*'
   release:
     types: [created]