The `last_scrubbed_txg` property indicates the transaction
group (TXG) up to which the most recent scrub operation has
checked and repaired the dataset. This provides administrators
with insight into the data integrity status of their pool at a
specific point in time.
Sponsored-By: Wasabi Technology, Inc.
Sponsored-By: Klara Inc.
Signed-off-by: Mariusz Zaborski <mariusz.zaborski@klarasystems.com>