AlloyDB integration with Knowledge Catalog is now generally available (GA)

## Feature Feature AlloyDB integration with Knowledge Catalog is now generally available ([GA](https://cloud.google.com/products#product-launch-stages)). This integration provides a unified metadata view to simplify data governance and analysis. It includes near real-time synchronization and expanded metadata details, like primary and foreign keys. For more information, see [Integrate AlloyDB with Knowledge Catalog](https://cloud.google.com/alloydb/docs/knowledge-catalog-integration).