Automated Project Update Bot fixes

This merge request was automatically created by the Project Update Bot. It contains the changes from run 11-127659.

src/EventSubscriber/SendgridIpPoolNameSubscriber.php

@@ -42,7 +42,7 @@ class SendgridIpPoolNameSubscriber implements EventSubscriberInterface {
   /**
    * {@inheritdoc}
    */
-  public static function getSubscribedEvents() {
+  public static function getSubscribedEvents(): array {
     return [
       SendgridEvents::SEND => ['onSendgridSend'],
     ];