Stop job after a given number of failed tasks

[claustres]

For now fault-tolerant job might run even if all tasks fail, might be interesting to stop it once a given number of tasks have failed, similar to the maximum number of attempts in task.

[claustres]

Finding the right number of tasks can be tricky in faulty environments (eg 503 requests), best to provide a job timeout so that the job is stopped when the timeout occurs.