Update stale-issues.yml (#999)

Author: guibranco

.github/workflows/stale-issues.yml

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