Changes to create voice

added the non-success response with the status 503

added the non-success response with the status 409

added the new eleven_v4 enum value to the request property oneOf[subschema #2: Import provider voice]/providerModelId

added the new eleven_v4_turbo enum value to the request property oneOf[subschema #2: Import provider voice]/providerModelId

removed the enum value OPENAI_ADVANCED_VOICE of the request property oneOf[subschema #2: Import provider voice]/provider

removed the OPENAI_ADVANCED_VOICE enum value from the provider response property for the response status 201

added the new sonic-3.6-2026-08-27 enum value to the request property oneOf[subschema #2: Import provider voice]/providerModelId

added the new eleven_v3 enum value to the request property oneOf[subschema #2: Import provider voice]/providerModelId

added the new eleven_v3_conversational enum value to the request property oneOf[subschema #2: Import provider voice]/providerModelId

the request's body type changed from object to no type

removed the request property audioKey

removed the request property description

removed the request property enhance

removed the request property language

removed the request property name

added subschema #1: Clone from uploaded audio subschema #2: Import provider voice to the request body oneOf list

added the non-success response with the status 429

added the non-success response with the status 502

added the non-success response with the status 504

request property enhance deprecated (media type: multipart/form-data)

request property enhance deprecated (media type: application/json)

added the media type application/json to the request body