Tool calls rejected with tool_choice none; EOT timeout restored

What's Changed

• fix(slng): expose speed in update_options by @adityajha2005 in https://github.com/livekit/agents/pull/6175
• fix(google): reject tool calls when tool_choice="none" in realtime by @longcw in https://github.com/livekit/agents/pull/6166
• fix(eot): restore timeout behavior for eot inference by @chenghao-mou in https://github.com/livekit/agents/pull/6188
• (assembly ai): add inference params by @tinalenguyen in https://github.com/livekit/agents/pull/6185
• livekit-agents@1.6.3 by @github-actions[bot] in https://github.com/livekit/agents/pull/6189

Full Changelog: https://github.com/livekit/agents/compare/livekit-agents@1.6.2...livekit-agents@1.6.3