fix: sync-labels workflow

Author: ekropotin

.github/workflows/sync-labels.yml

@@ -12,9 +12,10 @@ jobs:
   sync:
     runs-on: ubuntu-latest
     permissions:
+      contents: read
       issues: write
       pull-requests: write
-      contents: read
+      metadata: read
     steps:
       - name: Checkout
         uses: actions/checkout@v4