v2.12.0

New Libraries

We are happy to announce the following GA libraries. Unless specifically noted,
the APIs in these libraries are stable, and are ready for production use.

• Content Warehouse
• Cloud Domains
• Essential Contacts
• reCAPTCHA Enterprise
• Timeseries Insights
• Traffic Director
• Vertex AI

Cloud Debugger

The Cloud Debugger service (aka Stackdriver Debugger API) has been
shutdown. The corresponding client library has been
removed.

BigQuery

This library has been expanded to include the BigLake API (#11882)

Pub/Sub

• doc(pubsub): add new samples for schemas (#11872) (#11848) (#11840)

Common Libraries

• docs: use c.g.com/cpp mocking guide (#11869)
• docs: link reference docs at c.g.c/cpp/docs/reference (#11799)
• fix(generator): correct URL for reference docs (#11765)