- Introduce `AudioTranscriptionsFile` method in the OpenAI package to transcribe audio directly from a file path, improving memory efficiency.
- Implement new test cases for `AudioTranscriptionsFile`, including scenarios for language options and error handling for non-existent files.
- Update the process package to support the new transcription method, ensuring compatibility with existing functionality.
- Enhance test coverage for audio transcription processes, validating expected outputs and error conditions.
