Issue #3483664: Automated Drupal 11 compatibility fixes for message_subscribe

message_subscribe.info.yml

...email/config/optional/views.view.subscribe_node_email.yml

...fig/optional/views.view.subscribe_taxonomy_term_email.yml

...email/config/optional/views.view.subscribe_user_email.yml

message_subscribe_email/message_subscribe_email.info.yml

message_subscribe_email/message_subscribe_email.module

message_subscribe_email/src/EventSubscriber/FlagEvents.php

message_subscribe_example/message_subscribe_example.info.yml

...ubscribe_ui/config/optional/views.view.subscribe_node.yml

...ui/config/optional/views.view.subscribe_taxonomy_term.yml

...ubscribe_ui/config/optional/views.view.subscribe_user.yml

message_subscribe_ui/message_subscribe_ui.info.yml

message_subscribe_ui/message_subscribe_ui.services.yml

...ge_subscribe_ui/src/Controller/SubscriptionController.php

...scribe_ui/tests/src/Functional/SubscriptionsBlockTest.php

src/Subscribers.php

src/SubscribersInterface.php

...es/message_subscribe_test/message_subscribe_test.info.yml

...ules/message_subscribe_test/message_subscribe_test.module

tests/src/Kernel/ContextTest.php