fix(ci): gate release to main pushes

Author: skulidropek

.github/workflows/release.yml

@@ -15,7 +15,7 @@ jobs:
     name: Release
     runs-on: ubuntu-latest
     timeout-minutes: 10
-    if: github.event.workflow_run.conclusion == 'success'
+    if: github.event.workflow_run.conclusion == 'success' && github.event.workflow_run.event == 'push' && github.event.workflow_run.head_branch == 'main'
     permissions:
       contents: write
       id-token: write