Split hyperf/serializer from hyperf/utils (#5663)

Co-authored-by: Deeka Wong <[email protected]>
Co-authored-by: 李铭昕 <[email protected]>

Author: huangdijia

tests/Cases/ValidationMiddlewareTest.php

@@ -26,9 +26,9 @@
 use Hyperf\HttpServer\CoreMiddleware;
 use Hyperf\HttpServer\Router\Dispatched;
 use Hyperf\HttpServer\Router\DispatcherFactory;
+use Hyperf\Serializer\SimpleNormalizer;
 use Hyperf\Translation\ArrayLoader;
 use Hyperf\Translation\Translator;
-use Hyperf\Utils\Serializer\SimpleNormalizer;
 use Hyperf\Validation\Contract\ValidatorFactoryInterface;
 use Hyperf\Validation\Middleware\ValidationMiddleware;
 use Hyperf\Validation\ValidatorFactory;