tweaked when github actions should run

.github/workflows/docker-publish.yml

@@ -3,11 +3,14 @@ name: Build and Publish Docker
 on:
   push:
     branches:
-      - '*'
+      - main
+      - release
     tags:
       - 'beta-v*'
   pull_request:
-    types: [opened, synchronize, reopened]
+    # Trigger only for PRs that target main branch
+    branches:
+      - main
 
   # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch: