v2.12.3

What's Changed

• Updated phone number api by @nishadmusthafa in https://github.com/livekit/livekit-cli/pull/708
• support agent region by @real-danm in https://github.com/livekit/livekit-cli/pull/713
• Add github action to validate server-sdk-go version on release by @yoonsio in https://github.com/livekit/livekit-cli/pull/718
• bump for latest version by @real-danm in https://github.com/livekit/livekit-cli/pull/719

Full Changelog: https://github.com/livekit/livekit-cli/compare/v2.12.2...v2.12.3