[Components] Convert to native return types

Author: wouterj

EventListener/NotificationLoggerListener.php

@@ -28,10 +28,7 @@ public function __construct()
         $this->events = new NotificationEvents();
     }
 
-    /**
-     * @return void
-     */
-    public function reset()
+    public function reset(): void
     {
         $this->events = new NotificationEvents();
     }

EventListener/SendFailedMessageToNotifierListener.php

@@ -31,10 +31,7 @@ public function __construct(Notifier $notifier)
         $this->notifier = $notifier;
     }
 
-    /**
-     * @return void
-     */
-    public function onMessageFailed(WorkerMessageFailedEvent $event)
+    public function onMessageFailed(WorkerMessageFailedEvent $event): void
     {
         if ($event->willRetry()) {
             return;