Fix prod subdomain

Fixes #8542

Author: carlobeltrame

.github/workflows/deployment-stage-prod.yml

@@ -35,7 +35,7 @@ jobs:
     needs: build-and-push
     uses: ./.github/workflows/reusable-ecamp3-deployment.yml
     with:
-      name: ${{ github.ref_name }}
+      name: ${{ github.ref_name == 'prod' && 'app' || github.ref_name }}
       env: ${{ github.ref_name }}
       action: ${{ github.event.inputs.action || 'deploy' }}
     secrets: inherit