Add compathelper perms

Author: dannys4

.github/workflows/CompatHelper.yml

@@ -3,6 +3,9 @@ on:
   schedule:
     - cron: 0 0 * * *
   workflow_dispatch:
+permissions:
+  contents: write
+  pull-requests: write
 jobs:
   CompatHelper:
     runs-on: ubuntu-latest