fix cs

Author: steinkel

src/Plugin.php

@@ -1,5 +1,4 @@
 <?php
-
 declare(strict_types=1);
 
 namespace Cake\Composer;

tests/TestCase/PluginTest.php

@@ -1,5 +1,4 @@
 <?php
-
 declare(strict_types=1);
 
 namespace Cake\Test\TestCase\Composer;