Changes to POST /v1/audio/transcriptions

added the optional property error/reason to the response with the 400 status

added the optional property error/reason to the response with the 404 status

added the optional property error/reason to the response with the 413 status

added the optional property error/reason to the response with the 502 status

added the optional property error/reason to the response with the 503 status

added the optional property error/reason to the response with the 504 status

added the optional property oneOf[#/components/schemas/OpenAIErrorEnvelope]/error/reason to the response with the 500 status

added the new optional header request parameter X-SIE-Remote

endpoint added