service redirect.404_subscriber in Redirect 8

class: Drupal\redirect_404\EventSubscriber\Redirect404Subscriber
arguments:
  - '@path.current'
  - '@path.matcher'
  - '@request_stack'
  - '@language_manager'
  - '@redirect.not_found_storage'
  - '@config.factory'
tags:
  - { name: event_subscriber }