blocklist: blacklist: Chase recent upstream changes

Upstream introduced an extra column in blocklistctl(8) to display the
name of the rule associated in the database entry.

It is intended to avoid confusion when seemingly duplicate locations
appear in the output of the blocklistctl dump command. Especially when
users are transitioning from the old nomenclature to the new one.

The latest patches will not be fully backported to blacklistctl(8), to
avoid breaking current scripts that may be parsing its output. Also we
are slowly preparing to feature-freeze everything related to blacklist.

MFC: 2 days

(cherry picked from commit eae98e28a0e17f625e29f9849a4dc655636d9164)