Update docs and openapi.json with supported audio
Update docs and openapi.json with supported audio.

Related to:
- https://github.com/huggingface/datasets-server/pull/1792
- https://github.com/huggingface/datasets-server/pull/1743
Update docs and openapi.json with supported audio: Update docs and openapi.json with supported audio.

Related to:
- https://github.com/huggingface/datasets-server/pull/1792
- https://github.com/huggingface/datasets-server/pull/1743