Conflict resolved

Author: mrprabhu92

dev/tests/api-functional/testsuite/Magento/GraphQl/OrderCancellation/CancelGuestOrderTest.php

@@ -476,7 +476,7 @@ private function getOrderToken(OrderInterface $order): string
         return Bootstrap::getObjectManager()->create(Token::class)->encrypt(
             $order->getIncrementId(),
             $order->getBillingAddress()->getEmail(),
-            $order->getBillingAddress()->getPostcode()
+            $order->getBillingAddress()->getLastname()
         );
     }