Merge pull request #733 from nextcloud/backport/732/stable31

[stable31] fix: revert previous change

Author: vitormattos

.github/workflows/appstore-build-publish.yml

@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
 
     # Only allowed to be run on nextcloud-releases repositories
-    # if: ${{ github.repository_owner == 'nextcloud-releases' }}
+    if: ${{ github.repository_owner == 'nextcloud-releases' }}
 
     steps:
       - name: Check actor permission