ci(qa): trigger after deploy workflow finishes instead of concurrently on push

.gitea/workflows/qa.yml

@@ -1,8 +1,11 @@
 name: Nightly QA
 
 on:
-  push:
+  workflow_run:
+    workflows: ["Build & Deploy"]
     branches: [main]
+    types:
+      - completed
   schedule:
     - cron: "0 3 * * *"
   workflow_dispatch:
@@ -196,7 +199,7 @@ jobs:
   notify:
     name: 🔔 Notify
     needs: [static, e2e, lighthouse, links]
-    if: always()
+    if: failure()
     runs-on: docker
     container:
       image: catthehacker/ubuntu:act-latest