Dataplex Universal Catalog is now called Knowledge Catalog. The API, client

## Feature Feature Dataplex Universal Catalog is now called Knowledge Catalog. The API, client library, CLI, and Identity and Access Management (IAM) names remain unchanged. For more information about how Bigtable metadata interacts with Knowledge Catalog, see [Manage data assets using Knowledge Catalog](https://cloud.google.com/bigtable/docs/manage-data-assets-using-knowledge-catalog).