Run only on merges

.gitea/workflows/release.yml

@@ -14,6 +14,7 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
+    if: github.event_name != 'pull_request' || github.event.pull_request.merged == true
     steps:
       - name: Checkout code
         uses: actions/checkout@v4