Fix code styling

Author: mckenziearts

tests/Feature/SubscribeTest.php

@@ -5,7 +5,7 @@
 use Tests\Models\Plan;
 use Tests\Models\User;
 
-beforeEach(function () {
+beforeEach(function (): void {
     $this->user = User::factory()->create();
     $this->plan = Plan::factory()->create();
 });