fix(stale): add required write permissions to stale workflow

Co-authored-by: GlobalHive <20327081+GlobalHive@users.noreply.github.com>

Author: Copilot

.github/workflows/stale.yml

@@ -8,6 +8,9 @@ on:
 jobs:
   stale:
     runs-on: ubuntu-latest
+    permissions:
+      issues: write
+      pull-requests: write
     steps:
       - name: Run stale action
         uses: actions/stale@v9