chore(CI): Updating pr-feedback.yml workflow from template

Signed-off-by: Nextcloud bot <bot@nextcloud.com>

.github/workflows/pr-feedback.yml

@@ -15,8 +15,13 @@ on:
   schedule:
     - cron: '30 1 * * *'
 
+permissions:
+  contents: read
+  pull-requests: write
+
 jobs:
   pr-feedback:
+    if: ${{ github.repository_owner == 'nextcloud' }}
     runs-on: ubuntu-latest
     steps:
       - name: The get-github-handles-from-website action