Binary Authorization for Cloud Run is now generally available (GA)

## Change Binary Authorization for Cloud Run is now [generally available (GA)](https://cloud.google.com/products/?hl=EN#product-launch-stages). View the [quickstart](https://cloud.google.com/binary-authorization/docs/run/quickstart-cloud-run) or [set up Binary Authorization for Cloud Run](https://cloud.google.com/binary-authorization/docs/run/overview) on your service.