MC-18996: GraphQl Url Resolver doesn't return any results if the url_key doesn't have the extension

- fix namespace

Author: cpartica

dev/tests/api-functional/testsuite/Magento/GraphQl/CatalogUrlRewrite/UrlResolverTest.php

@@ -5,7 +5,7 @@
  */
 declare(strict_types=1);
 
-namespace Magento\CatalogGraphQl\UrlRewrite;
+namespace Magento\GraphQl\CatalogUrlRewrite;
 
 use Magento\Catalog\Api\ProductRepositoryInterface;
 use Magento\TestFramework\ObjectManager;