style: fix psr-12 code style issues

Author: getsolaris

src/Handlers/TossPaymentsWebhookHandler.php

@@ -20,6 +20,7 @@ public function __invoke()
 
         $target = new \ReflectionClass(config('tosspayments.webhook.handler.controller'));
         $method = config('tosspayments.webhook.handler.method');
+
         return $target->newInstance()->$method($payload);
     }
 }

tests/WebhookTest.php

@@ -2,8 +2,6 @@
 
 namespace Getsolaris\LaravelTossPayments\tests;
 
-use Getsolaris\LaravelTossPayments\Enums\BankCode;
-use Getsolaris\LaravelTossPayments\Exceptions\InvalidInputTargetCodeException;
 use PHPUnit\Framework\TestCase;
 
 class WebhookTest extends TestCase