Periodically clean the queue database deleting the old, finished jobs
From comment on https://github.com/huggingface/datasets-server/pull/810#discussion_r1105871837

> there are so many past jobs that we don't need anymore that we could delete them periodically. Manually or with a cron job. Otherwise, the migration jobs take forever, and the helm update timeouts and fails.

@severo suggested:
 Periodically clean the queue database deleting the old, finished jobs
Periodically clean the queue database deleting the old, finished jobs: From comment on https://github.com/huggingface/datasets-server/pull/810#discussion_r1105871837

> there are so many past jobs that we don't need anymore that we could delete them periodically. Manually or with a cron job. Otherwise, the migration jobs take forever, and the helm update timeouts and fails.

@severo suggested:
 Periodically clean the queue database deleting the old, finished jobs