swh: ensure only one instance of a cronjob is running at the same time
if at some a cronjob pod is not started in the cron interval, when the resources become available a couple of jobs can be started at the same time
Staging instance, all changes can be removed at any time
if at some a cronjob pod is not started in the cron interval, when the resources become available a couple of jobs can be started at the same time