pattern: Use new attributes of Lister model from swh-scheduler

• Store termination date to scheduler database at end of listing

  It enables to track last lister execution date and will be used to schedule first visits with high priority for listed origins.

• Add first_visits_queue_prefix parameter to Lister constructor

  It enables to declare a lister whose first visits of listed origins must be scheduled with high priority.

  Set this new parameter in save-bulk lister constructor to ensure high priority scheduling for first visits of origins

Depends on swh-scheduler!390 (merged).

Related to swh-scheduler#4687 (closed).