Add missing schema option
"ignore_other_snapshots": "bool?",
"ignore_upgrade_snapshots": "bool?",
"delete_before_new_snapshot": "bool?",
+ "delete_ignored_after_days": "float(0,)?",
"snapshot_name": "str?",
"snapshot_time_of_day": "match(^[0-2]\\d:[0-5]\\d$)?",
"specify_snapshot_folder": "bool?",
