Update formatting.yml

.github/workflows/formatting.yml

@@ -4,7 +4,7 @@ name: Formatting
 on:
   workflow_dispatch:
   pull_request:
-    branches: [ main ]
+    branches: [ amd-staging, amd-mainline ]
     paths-ignore:
       - '.github/workflows/pull_*.yml'
       - '.github/workflows/linting.yml'