Merge remote-tracking branch 'origin/master'

* origin/master:
  Apply fixes from StyleCI

tests/Dummy3.php

@@ -245,6 +245,6 @@ public function __construct(\Psr\Container\ContainerInterface $container = null)
      */
     public static function self($number, ?self $self)
     {
-       // ...
+        // ...
     }
 }