Managed Airflow remote Model Context Protocol (MCP) server is now generally available (GA)

## Feature Feature [Managed Airflow remote Model Context Protocol (MCP) server](https://docs.cloud.google.com/composer/docs/composer-3/use-composer-mcp)is now generally available (GA). ## Feature Feature [Managed Airflow Agent](https://docs.cloud.google.com/composer/docs/composer-3/troubleshoot-tasks-and-dag-runs-with-agent)is now available in Google Cloud Console. The agent can help you understand, diagnose, and resolve issues with failed Airflow tasks and DAG runs, optimize your environment's performance, identify existing or potential issues, bottlenecks, and areas for optimization.