Fix CS

tests/Monolog/Attribute/WithMonologChannelTest.php

@@ -1,4 +1,13 @@
-<?php
+<?php declare(strict_types=1);
+
+/*
+ * This file is part of the Monolog package.
+ *
+ * (c) Jordi Boggiano <j.boggiano@seld.be>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
 
 namespace Monolog\Attribute;
 
@@ -11,5 +20,4 @@ class WithMonologChannelTest extends TestCase
         $attribute = new WithMonologChannel('fixture');
         $this->assertSame('fixture', $attribute->channel);
     }
-
 }