Synchronized release for the umbrella `yes` gem and the four sub-gems at 2.6.1.
See CHANGELOG.md for details.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LF2qkvgYQ8vU2P3z1jMMF9