feat(elevenlabs): add sdk instrumentation

[Abhijeet Prasad (AbhiPrasad)]

import braintrust                                                                                         
from braintrust.auto import auto_instrument                                                               
                                                                                                          
braintrust.init_logger(project="my-project")                                                              
auto_instrument()                                                                                         
                                                                                                          
from elevenlabs.client import ElevenLabs                                                                  
                                                                                                          
client = ElevenLabs()                                                                                     

Trace ElevenLabs text-to-speech, speech-to-text, speech-to-speech, text-to-sound-effects, and conversational agent API calls via the integrations API.

Add VCR-backed provider coverage, auto-instrument subprocess checks, nox session wiring, and cassette directory/version matrix entries.

[Abhijeet Prasad (AbhiPrasad)]

Published with pip install -i https://test.pypi.org/simple/ braintrust==0.21.0rc88