dns/dnsmasq-devel: update to v2.92test11

Changes since v2.92test10:

• c378d2c 2025-06-02 | Fix crash in filter_servers(). (tag: v2.92test11) [Simon Kelley]
• 5846f74 2025-05-29 | Rewrite chunks of inotify.c to remove a memory leak. [Simon Kelley]
• c9a4240 2025-05-24 | Unbreak compilation on non-Linux systems (FreeBSD) [Matthias Andree]

(The latter was already in FreeBSD's port.)

MFH: 2025Q2

(cherry picked from commit 076249c799105fe08a1a2a090be5104e897ae3b4)
(which was dns/dnsmasq-devel: Revise files/update.py script.)

(cherry picked from commit 7db750b4c241145c5eb3a9a00f2ae78afaac391b)