actions: Restore test-push.yml to be closer to upstream

.github/workflows/test-push.yml

@@ -1,9 +1,5 @@
 name: Run Tests
-on:
-  push:
-    branches:
-      - dev/**
-  pull_request:
+on: [push, pull_request]
 
 concurrency:
   group: build-${{ github.event.pull_request.number || github.ref }}