upgrades core to 8.4.2

core/modules/action/src/Plugin/Action/GotoAction.php

@@ -92,7 +92,7 @@ class GotoAction extends ConfigurableActionBase implements ContainerFactoryPlugi
       $url = $this->unroutedUrlAssembler->assemble($uri, $options);
     }
     $response = new RedirectResponse($url);
-    $listener = function($event) use ($response) {
+    $listener = function ($event) use ($response) {
       $event->setResponse($response);
     };
     // Add the listener to the event dispatcher.

core/modules/action/src/Plugin/migrate/source/Action.php

@@ -10,7 +10,7 @@ use Drupal\migrate\Row;
  *
  * @MigrateSource(
  *   id = "action",
- *   source_provider = "system"
+ *   source_module = "system"
  * )
  */
 class Action extends DrupalSqlBase {