🧪 Final workflow test - catalog service

Testing complete workflow flow:
1. detect-changes should find catalog changed
2. deploy should build only catalog service
3. summary should report successful deployment

Author: LondheShubham153

src/catalog/README.md

@@ -1,6 +1,6 @@
 # AWS Containers Retail Sample - Catalog Service
 
-<!-- GitOps Test: Testing deploy.yml workflow -->
+<!-- GitOps Test: Final workflow validation -->
 
 | Language | Persistence |
 | -------- | ----------- |