Issue #3136054: Drupal 9 readiness: replace call to deprecated EntityManager

src/Form/PermissionsForm.php

@@ -51,7 +51,7 @@ class PermissionsForm extends UserPermissionsForm {
   public static function create(ContainerInterface $container) {
     return new static(
       $container->get('user.permissions'),
-      $container->get('entity.manager')->getStorage('user_role'),
+      $container->get('entity_type.manager')->getStorage('user_role'),
       $container->get('module_handler'),
       $container->get('keyvalue.expirable')->get('filter_perms_list')
     );