ci: scope down permissions for repo-sync.yml

Author: AdnaneKhan

.github/workflows/repo-sync.yml

@@ -9,6 +9,10 @@ on:
       - '.github/workflows/repo-sync.yml'
   workflow_dispatch:
 
+permissions:
+  contents: write
+  pull-requests: write
+
 jobs:
   repo-sync:
     name: Repo Sync