Changes to Transcribe Audio

added the new optional request property audio_url

added the new optional request property diarize

added the new optional request property hotwords

added the new optional request property language

added the new optional request property return_confidence

added the new optional request property return_gender

added the new optional request property return_sentiment

added the new optional request property return_timestamps

added the new optional request property return_turns

the request property file became optional

added the media type application/json for the response with the status 200

added the media type application/json for the response with the status 400

added the media type application/json for the response with the status 401