Changes to Test

added the new WEBHOOK_STATE_CANCELED enum value to the webhook/oneOf[subschema #1: Webhook Instance]/state response property for the response status 200

added the optional property webhook/oneOf[subschema #1: Webhook Instance]/supersededReason to the response with the 200 status

added c1.api.webhooks.v1.WebhookInstance subschema #2 to the webhook response property oneOf list for the response status 200

the webhook response's property type changed from object to no type for status 200

removed the optional property webhook/attempts from the response with the 200 status

removed the optional property webhook/completedAt from the response with the 200 status

removed the optional property webhook/createdAt from the response with the 200 status

removed the optional property webhook/expiresAt from the response with the 200 status

removed the optional property webhook/id from the response with the 200 status

removed the optional property webhook/lastAttemptedAt from the response with the 200 status

removed the optional property webhook/source from the response with the 200 status

removed the optional property webhook/spec from the response with the 200 status

removed the optional property webhook/state from the response with the 200 status

removed the optional property webhook/updatedAt from the response with the 200 status

removed the optional property webhook/webhookId from the response with the 200 status

endpoint added