Elevenlabs streaming latency control

[fakhirali]

The elevenlabs streaming latency is set to 4. There should be a param to change it.

OpenVoiceChat/openvoicechat/tts/tts_elevenlabs.py

Line 28 in 513b1d0

url = f"https://api.elevenlabs.io/v1/text-to-speech/{self.voice_id}?optimize_streaming_latency=4"