umdns: update to Git HEAD (2026-10-04)

33a031c818ad dns: bound dns_query() AVL walk with avl_is_last()
15a507e099ff cache: terminate cached TXT record inside its allocation
7ff4347014bd dns: check record allocation in dns_packet_answer()
7aa74cc1239f dns,interface: guard against NULL ifa_addr and getifaddrs() failure
4d3628f8634e ubus: bound TXT copy in umdns_announcements()
93b2903c92f8 service: initialise SRV priority and weight
5dc24e8c80d9 dns: handle missing unicast interface in parse_question()
ba53b7c932e8 service: validate txt entries and stop leaking on empty ones
e115784cb334 dns: reset packet after each batch in dns_query_pending()
126426e66e19 interface: compare full IPv6 address in source check
e035293d1d2b dns: include stdbool.h in dns.h
5b9638a13631 tests: stub the udebug helpers
defe7ccfd202 tests: add fuzz corpus entry for the dns_query() AVL walk

Link: https://github.com/openwrt/openwrt/security/advisories/GHSA-j2f2-273j-r86h
Link: https://github.com/openwrt/openwrt/security/advisories/GHSA-fc92-h6gc-rjjx
Link: https://github.com/openwrt/openwrt/pull/25620
(cherry picked from commit 11632ebe04)
Link: https://github.com/openwrt/openwrt/pull/25655
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

package/network/services/umdns/Makefile

@@ -12,9 +12,9 @@ PKG_RELEASE:=1
 
 PKG_SOURCE_URL=$(PROJECT_GIT)/project/mdnsd.git
 PKG_SOURCE_PROTO:=git
-PKG_SOURCE_DATE:=2026-06-27
-PKG_SOURCE_VERSION:=dbee55098c2e7a0a76feec414a11d76838572918
-PKG_MIRROR_HASH:=726e7874f7399fd286d81479ff00cb1cdd231cf3a25b8f89e4a9a1c45bb670bc
+PKG_SOURCE_DATE:=2026-10-04
+PKG_SOURCE_VERSION:=defe7ccfd20281b9ef4dfa45437813386a64f8ba
+PKG_MIRROR_HASH:=9069cf95ed96b7a5285cf3ff9dbd0f23244f3232b2507812fda4bdb03721bc20
 
 PKG_MAINTAINER:=John Crispin <john@phrozen.org>
 PKG_LICENSE:=LGPL-2.1