Laravel 9 Update (#1413)

Update to Laravel 9 and PHP 8+

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

app/Database/migrations/2021_04_10_055245_migrate_configs.php

@@ -6,8 +6,7 @@ use App\Services\Installer\ConfigService;
 /**
  * Migrate the configuration files
  */
-class MigrateConfigs extends Migration
-{
+return new class() extends Migration {
     public function up()
     {
         /** @var ConfigService $configSvc */
@@ -18,4 +17,4 @@ class MigrateConfigs extends Migration
     public function down()
     {
     }
-}
+};