Changes to SERP Async Endpoint

added the new optional request property allOf[#/components/schemas/SerpPayload]/resolve_url

response property task/batch_id list-of-types was widened by adding types null to media type application/json of response 200

response property task/download_url list-of-types was widened by adding types null to media type application/json of response 200

response property task/error list-of-types was widened by adding types null to media type application/json of response 200

response property task/error_type list-of-types was widened by adding types null to media type application/json of response 200

response property task/output_url list-of-types was widened by adding types null to media type application/json of response 200

added the new in_progress enum value to the task/state response property for the response status 200

added the new labs enum value to the task/api_type response property for the response status 200

added the new queued enum value to the task/state response property for the response status 200

added the optional property task/queue to the response with the 200 status

added the new fast-serp enum value to the task/api_type response property for the response status 200

added the new optional request property allOf[#/components/schemas/SerpPayload]/show_hidden_results

endpoint added