fix phpStan test

Author: Nazar65

app/code/Magento/Customer/Model/ResourceModel/CustomerRepository.php

@@ -17,6 +17,7 @@
 use Magento\Customer\Model\Data\CustomerSecureFactory;
 use Magento\Customer\Model\Delegation\Data\NewOperation;
 use Magento\Customer\Model\Delegation\Storage as DelegatedStorage;
+use Magento\Customer\Model\ResourceModel\Customer\Collection;
 use Magento\Framework\Api\DataObjectHelper;
 use Magento\Framework\Api\ExtensibleDataObjectConverter;
 use Magento\Framework\Api\ExtensionAttribute\JoinProcessorInterface;