chore: use minimal GITHUB_TOKEN permissions (#1015)

Author: AdnaneKhan

.github/workflows/lock.yml

@@ -10,6 +10,9 @@ on:
 
 jobs:
   lock:
+    permissions:
+      pull-requests: write
+      issues: write
     runs-on: ubuntu-latest
     steps:
       - uses: dessant/lock-threads@v5