Update backend-tests.yml

Author: Devasy

.github/workflows/backend-tests.yml

@@ -7,7 +7,7 @@ on:
       - 'backend/**'
       - '.github/workflows/backend-tests.yml'
   pull_request:
-    branches: [ main ]
+    branches: [ main, feature/auth-service-workflow]
     paths:
       - 'backend/**'
       - '.github/workflows/backend-tests.yml'