Added the OrderBillpayerUpdated event

Changelog.md

@@ -44,6 +44,7 @@
 - Fixed an error when attempting to remove a product from the cart which is not in the by [xujiongze](https://github.com/xujiongze) in [#188](https://github.com/vanilophp/framework/pull/188)
 - Fixed the `Channel::getCurrency()` method returning the wrong attribute by [Ouail](https://github.com/ouail) in [#189](https://github.com/vanilophp/framework/pull/189)
 - Fixed the logic of the payment-dependent shipping fee calculator
+- Added the `OrderBillpayerUpdated` event
 
 ## 4.1.0
 ##### 2024-07-11

src/Order/Changelog.md

@@ -8,6 +8,7 @@
 - Added `domain` field to the orders table
 - Added then automatic completion of `$order->domain` from the current request to the OrderFactory
 - Changed `OrderItem::hasConfiguration()` to return false on empty arrays as well
+- Added the `OrderBillpayerUpdated` event
 
 ## 4.1.0
 ##### 2024-07-11

src/Order/Events/OrderBillpayerUpdated.php

@@ -0,0 +1,9 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Vanilo\Order\Events;
+
+class OrderBillpayerUpdated extends BaseOrderEvent
+{
+}