Use Hyperf\Collection\Arr instead of Hyperf\Utils\Arr. (#5594)

Author: limingxinleo

src/Query/Grammars/PostgresGrammar.php

@@ -11,9 +11,9 @@
  */
 namespace Hyperf\Database\PgSQL\Query\Grammars;
 
+use Hyperf\Collection\Arr;
 use Hyperf\Database\Query\Builder;
 use Hyperf\Database\Query\Grammars\Grammar;
-use Hyperf\Utils\Arr;
 use Hyperf\Utils\Str;
 
 use function Hyperf\Collection\collect;