List attempt history for a delivery job.
Bearer authentication header of the form Bearer <token>, where <token> is your auth token.
^wh_[0-9a-f]{24}$^job_[0-9a-f]{24}$List of attempts
^job_[0-9a-f]{24}$^att_[0-9a-f]{24}$success, retryable_failure, permanent_failure, canceled