Realtime model costs tracked for OpenAI Agents and Google ADK Live

What's Changed

• release(js): 0.8.2 by @KiewanVillatel in https://github.com/langchain-ai/langsmith-sdk/pull/3204
• feat(livekit): capture realtime user transcript via instrument_session by @carolinedivittorio in https://github.com/langchain-ai/langsmith-sdk/pull/3201
• feat(voice): capture OpenAI Agents realtime model costs by @carolinedivittorio in https://github.com/langchain-ai/langsmith-sdk/pull/3193
• feat(voice): capture Google ADK Live (Gemini) model costs by @carolinedivittorio in https://github.com/langchain-ai/langsmith-sdk/pull/3194
• release(python): bump py version to 0.10.4 by @carolinedivittorio in https://github.com/langchain-ai/langsmith-sdk/pull/3207

Full Changelog: https://github.com/langchain-ai/langsmith-sdk/compare/v0.10.3...v0.10.4