ci: Run workflow on all branches and pull requests

Remove branch restrictions so the build workflow runs on every push
to any branch and all pull requests, making it truly universal.

Author: claude

.github/workflows/release.yml

@@ -2,12 +2,7 @@ name: Build and Release Addon
 
 on:
   push:
-    branches:
-      - main
-      - 'claude/**'
   pull_request:
-    branches:
-      - main
   workflow_dispatch:
     inputs:
       version: