Require prettier for brwoserstack too

Author: adriaandotcom

.github/workflows/testing.yml

@@ -65,7 +65,7 @@ jobs:
 
   browserstack:
     runs-on: ubuntu-latest
-    needs: unit-tests
+    needs: [unit-tests, prettier]
     if: (github.event_name == 'push' && github.ref == 'refs/heads/main') || github.event_name == 'workflow_dispatch'
 
     strategy: