Fix trailing space

Author: Hanit Banga

mmv1/products/datacatalog/Entry.yaml

@@ -23,7 +23,7 @@ description: |
 deprecation_message: >-
   `google_data_catalog_entry` is deprecated and will be removed in a future major release.
   Data Catalog is deprecated and will be discontinued on January 30, 2026. For steps to transition
-  your Data Catalog users, workloads, and content to Dataplex Catalog, see 
+  your Data Catalog users, workloads, and content to Dataplex Catalog, see
   https://cloud.google.com/dataplex/docs/transition-to-dataplex-catalog.
 references:
   guides: