service jsonapi.request_handler in JSON:API 8

class: \Drupal\jsonapi\Controller\RequestHandler
arguments:
  - '@jsonapi.serializer_do_not_use_removal_imminent'
  - '@jsonapi.resource_type.repository'
  - '@entity_type.manager'
  - '@entity_field.manager'
  - '@plugin.manager.field.field_type'
  - '@jsonapi.link_manager'
  - '@renderer'