Fix style again (#1569)

Author: barryvdh

tests/Console/ModelsCommand/LaravelCustomCasts/Casts/CustomCasterWithStaticReturnType.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Barryvdh\LaravelIdeHelper\Tests\Console\ModelsCommand\LaravelCustomCasts\Casts;
 
 use Illuminate\Contracts\Database\Eloquent\CastsAttributes;