feat: Add conditional check to GitHub Actions workflow to skip sync o…

…n specific commit messages

.github/workflows/sync-main-branches.yml

@@ -8,6 +8,7 @@ on:
 jobs:
   notify:
     runs-on: ubuntu-latest
+    if: ${{ !contains(github.event.head_commit.message, '[sync-skip]') }}
     steps:
       - name: Trigger repository_dispatch
         run: |