bug #11934 Update ChangeItemQuantityInCart (leniwy-splendor)

This PR was merged into the 1.9-dev branch.

Discussion
----------

| Q               | A
| --------------- | -----
| Branch?         | 1.7
| Bug fix?        | yes
| New feature?    | no
| BC breaks?      | no
| Deprecations?   | no
| License         | MIT

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Commits
-------

99072bb Update ChangeItemQuantityInCart

src/Sylius/Bundle/ApiBundle/Command/Cart/ChangeItemQuantityInCart.php

@@ -16,7 +16,7 @@
 use Sylius\Bundle\ApiBundle\Command\OrderTokenValueAwareInterface;
 
 /** @experimental */
-final class ChangeItemQuantityInCart implements OrderTokenValueAwareInterface
+class ChangeItemQuantityInCart implements OrderTokenValueAwareInterface
 {
     /** @var string|null */
     public $orderTokenValue;