Add missing properties on OrderUpdateRequest object

src/Mollie.Api/Models/Order/Request/OrderUpdateRequest.cs

@@ -17,6 +17,26 @@ public class OrderUpdateRequest {
         /// </summary>
         public string OrderNumber { get; set; }
 
+        /// <summary>
+        /// The URL your customer will be redirected to after the payment process. Updating this field is only possible
+        /// when the payment is not yet finalized.
+        /// </summary>
+        public string RedirectUrl { get; set; }
+
+        /// <summary>
+        /// The URL your consumer will be redirected to when the consumer explicitly cancels the order. If this URL
+        /// is not provided, the consumer will be redirected to the redirectUrl instead — see above. Updating this
+        /// field is only possible when the payment is not yet finalized.
+        /// </summary>
+        public string CancelUrl { get; set; }
+
+        /// <summary>
+        /// Set the webhook URL, where we will send order status changes to. The webhookUrl must be reachable from
+        /// Mollie’s point of view, so you cannot use localhost. If you want to use webhook during development on
+        /// localhost, you should use a tool like ngrok to have the webhooks delivered to your local machine.
+        /// </summary>
+        public string WebhookUrl { get; set; }
+
         /// <summary>
         ///	Oauth only - Optional
         /// </summary>