Add missing event name (shop_customer_default_address_update)

Author: tomkalon

src/EventSubscriber/CustomerProfileUpdatedSubscriberInterface.php

@@ -24,6 +24,7 @@ interface CustomerProfileUpdatedSubscriberInterface
         'sylius_customer_profile' => 'customer_profile_update',
         'sylius_admin_customer_update' => 'admin_customer_update',
         'sylius_shop_account_profile_update' => 'shop_customer_update',
+        'sylius_shop_account_address_book_set_as_default' => 'shop_customer_default_address_update',
         'sylius_shop_register' => 'customer_registration',
         'sylius_shop_checkout_address' => 'customer_order_address_provided',
     ];