Update validate.yml with Copilot feedback

Author: hspaans

.github/workflows/validate.yml

@@ -4,12 +4,13 @@ on:
   workflow_dispatch:
   pull_request:
 
+permissions:
+  contents: read
+  pull-requests: write
+ 
 jobs:
   validate:
     runs-on: ubuntu-24.04
-    permissions:
-      contents: read
-      pull-requests: write
     steps:
       - name: Checkout Code
         uses: actions/checkout@v4