Changes to List available voices

removed the enum value v3 from the query request parameter engine

removed the v3 enum value from the voices/items/engine response property for the response status 200

added the optional property retryAfterSeconds to the response with the 400 status

added the optional property retryAfterSeconds to the response with the 401 status

added the optional property retryAfterSeconds to the response with the 429 status

the response property statusCode became optional for the status 400

the response property statusCode became optional for the status 401

the response property statusCode became optional for the status 429

response property message list-of-types was widened by adding types array to media type application/json of response 400

response property message list-of-types was widened by adding types array to media type application/json of response 401

response property message list-of-types was widened by adding types array to media type application/json of response 429

added the optional property code to the response with the 400 status

added the optional property code to the response with the 401 status

added the optional property code to the response with the 429 status

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

added the optional property error to the response with the 401 status

added the optional property error to the response with the 429 status

added the optional property remaining to the response with the 400 status

added the optional property remaining to the response with the 401 status

added the optional property remaining to the response with the 429 status

added the optional property required to the response with the 400 status

added the optional property required to the response with the 401 status

added the optional property required to the response with the 429 status

added the optional property resetAt to the response with the 400 status

added the optional property resetAt to the response with the 401 status

added the optional property resetAt to the response with the 429 status