Automated Project Update Bot fixes

Relates to #3464272. This merge request was automatically created by the Project Update Bot. It contains the changes from run 11-235699.

src/EventSubscriber/RedirectSubscriber.php

@@ -60,7 +60,7 @@ class RedirectSubscriber implements EventSubscriberInterface {
   /**
    * {@inheritdoc}
    */
-  public static function getSubscribedEvents() {
+  public static function getSubscribedEvents(): array {
     $events[KernelEvents::RESPONSE][] = ['onResponse'];
     return $events;
   }