livekit-agents@1.2.4

> [!NOTE]  
> **livekit-agents 1.2 introduced many new features. You can check out the changelog [here](https://github.com/livekit/agents/releases/tag/livekit-agents%401.2.0).**

## What's Changed
* google stt: add enable_word_time_offsets option by @longcw in https://github.com/livekit/agents/pull/3079
* feat: support bithuman cloud avatar by @CathyL0 in https://github.com/livekit/agents/pull/3055
* fix cartesia error when input text is empty by @longcw in https://github.com/livekit/agents/pull/3080
* add endpoint_url in deepgram STT options by @RoccoFortuna in https://github.com/livekit/agents/pull/3086
* Do not `wait_on_enter` when resuming `Agent` after `AgentTask` execution by @anishnag in https://github.com/livekit/agents/pull/3090
* trace: attach agent session root span before closing by @longcw in https://github.com/livekit/agents/pull/3092
* fix AgentTask update_chat_ctx for realtime agent by @longcw in https://github.com/livekit/agents/pull/3093
* add the sdk version to the worker http endpoint by @real-danm in https://github.com/livekit/agents/pull/3097
* Add full list of supported languages for Google Cloud STT v2 by @amjd in https://github.com/livekit/agents/pull/3053
* feat: allow custom track name to be used with RoomIO by @davidzhao in https://github.com/livekit/agents/pull/3029
* support creating multiple DataStreamAudioOutput for multi-avatar use case by @longcw in https://github.com/livekit/agents/pull/3099

## New Contributors
* @RoccoFortuna made their first contribution in https://github.com/livekit/agents/pull/3086
* @amjd made their first contribution in https://github.com/livekit/agents/pull/3053

**Full Changelog**: https://github.com/livekit/agents/compare/livekit-agents@1.2.3...livekit-agents@1.2.4