fix(model): use RANDOM() for non-MySQL databases in orderBy

src/Libs/Model.php

@@ -1008,7 +1008,9 @@ class Model
     public static function orderBy(string $value, string $order = 'ASC'): static
     {
         if ($value == "RAND") {
-            static::$dbQuery['orderBy'] = 'RAND()';
+            $random = static::db()->getAttribute(PDO::ATTR_DRIVER_NAME) == 'mysql' ? 'RAND()' : 'RANDOM()';
+            static::$dbQuery['orderBy'] = $random;
+
             return new static();
         }