renamed `redmine_configure_backups_cron` to `redmine_configure_backups_schedule`
renamed `redmine_configure_backups_cron` to `redmine_configure_backups_schedule`

otsuka512/docker-redmine,otsuka512/docker-redmine,sameersbn/docker-redmine,otsuka512/docker-redmine,sameersbn/docker-redmine,sameersbn/docker-redmine