put https://api.firehydrant.io/v1/incidents//milestones/bulk_update
Update milestone times in bulk for a given incident. All milestone times for an incident must occur in chronological order corresponding to the configured order of milestones. If the result of this request would cause any milestone(s) to appear out of place, a 422 response will instead be returned. This includes milestones not explicitly submitted or updated in this request.