Audio: OpenAI API

[michaelfeil]

OpenAI does not have image embeddings, therefore using an API similar to embeddings.

[greptile-apps]

PR Summary

This PR adds audio embedding support to the Infinity API, updates the OpenAPI specification, and introduces asynchronous operations for image and audio processing to improve performance.

• Added '/embeddings_audio' endpoint in infinity_server.py for audio embedding, but implementation has issues needing attention
• Replaced 'requests' with 'aiohttp' in _optional_imports.py for asynchronous HTTP requests
• Introduced AudioEmbeddingInput class in pymodels.py, inheriting from ImageEmbeddingInput
• Updated resolve_images and resolve_audios functions in utils.py to use asynchronous operations with aiohttp and asyncio.gather()
• Modified BatchHandler in batch_handler.py to directly await resolve_images and resolve_audios, removing asyncio.to_thread

_{6 file(s) reviewed, 5 comment(s)
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Codecov Report

Attention: Patch coverage is 21.73913% with 18 lines in your changes missing coverage. Please review.

Project coverage is 77.78%. Comparing base (8690ebc) to head (b3ea3a2).
Report is 4 commits behind head on main.

Files with missing lines	Patch %	Lines
libs/infinity_emb/infinity_emb/infinity_server.py	10.52%	17 Missing ⚠️
...inity_emb/infinity_emb/fastapi_schemas/pymodels.py	75.00%	1 Missing ⚠️

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Additional details and impacted files

@@            Coverage Diff             @@
##             main     #377      +/-   ##
==========================================
- Coverage   78.24%   77.78%   -0.47%     
==========================================
  Files          37       37              
  Lines        2781     2804      +23     
==========================================
+ Hits         2176     2181       +5     
- Misses        605      623      +18     

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