Data Catalog - February 23rd, 2022 [Feature]

## Feature **Public preview**: [Public tags](https://cloud.google.com/data-catalog/docs/tags-and-tag-templates#public%5Ftags) that provide less strict access control as compared to private tags for searching and viewing tags is rolled out to all Data Catalog regions with minimal disruption and in a controlled way. Public tags support [simple search and search with predicates](https://cloud.google.com/data-catalog/docs/how-to/search-reference) while private tags support only search with predicates.