git: c8864f6ba46f..0064eb9cf1c8 - vendor/unbound - vendor branch updated

From: Cy Schubert <cy_at_FreeBSD.org>
Date: Tue, 07 Oct 2025 13:47:53 UTC
The branch vendor/unbound has been updated by cy:

URL: https://cgit.FreeBSD.org/src/log/?id=c8864f6ba46f..0064eb9cf1c8

0064eb9cf1c8 unbound: Vendor import 1.24.0