git: 84ffc29dc8dd..120aa088f480 - vendor/unbound - vendor branch updated

From: Dag-Erling Smørgrav <des_at_FreeBSD.org>
Date: Wed, 16 Sep 2026 13:48:57 UTC
The branch vendor/unbound has been updated by des:

URL: https://cgit.FreeBSD.org/src/log/?id=84ffc29dc8dd..120aa088f480

120aa088f480 import unbound 1.26.1