ci: set permissions to write-all to fix labeler (#819)

Co-authored-by: Jikun <jikunchen@microsoft.com>

Author: cjk7989

.github/workflows/labeler.yml

@@ -2,6 +2,8 @@ name: "Pull Request Labeler"
 on:
 - pull_request_target
 
+permissions: write-all
+
 jobs:
   triage:
     runs-on: ubuntu-latest