Sending mail with DeliveryJob and Parameterized::DeliveryJob is deprecated

DEPRECATION WARNING: Sending mail with DeliveryJob and Parameterized::DeliveryJob is deprecated and will be removed in Rails 6.1. Please use MailDeliveryJob instead. (called from new_project_member at /builds/gitlab-org/gitlab/app/services/notification_service.rb:360)
DEPRECATION WARNING: Sending mail with DeliveryJob and Parameterized::DeliveryJob is deprecated and will be removed in Rails 6.1. Please use MailDeliveryJob instead. (called from block in reassigned_merge_request at /builds/gitlab-org/gitlab/app/services/notification_service.rb:216)
DEPRECATION WARNING: Sending mail with DeliveryJob and Parameterized::DeliveryJob is deprecated and will be removed in Rails 6.1. Please use MailDeliveryJob instead. (called from block in close_resource_email at /builds/gitlab-org/gitlab/app/services/notification_service.rb:555)
DEPRECATION WARNING: Sending mail with DeliveryJob and Parameterized::DeliveryJob is deprecated and will be removed in Rails 6.1. Please use MailDeliveryJob instead. (called from new_group_member at /builds/gitlab-org/gitlab/app/services/notification_service.rb:393)