[Release] google/adk-python v1.22.1: v1.22.1

Google ADK Python v1.22.1 release includes bug fixes for the `adk migrate session` CLI command that was previously removed, and fixes escaping of database reserved keywords to prevent SQL errors.

Key Points

• •Restored the `adk migrate session` CLI command that was previously removed or missing
• •Fixed database keyword escaping to prevent conflicts with reserved SQL keywords
• •Bug fixes address CLI functionality and database compatibility issues
• •Version 1.22.1 is a patch release focused on stability and restoration of features
• •Changes ensure proper session migration workflows and database query execution

Concepts