Laravel 9 Update (#1413)

Update to Laravel 9 and PHP 8+

Co-authored-by: B.Fatih KOZ <fatih.koz@gmail.com>

app/Models/Enums/ActiveState.php

@@ -9,7 +9,7 @@ class ActiveState extends Enum
     public const INACTIVE = 0;
     public const ACTIVE = 1;
 
-    public static $labels = [
+    public static array $labels = [
         self::ACTIVE   => 'common.active',
         self::INACTIVE => 'common.inactive',
     ];