libubox: update to Git HEAD (2025-12-08)

5714bf6ae652 build: install libubox
440b4e988f39 tests: shunit2: add dump and setters coverage
a3ff29ef93df tests: shunit2: add test for _jshn_append via JSON script
38d70328ecbd github: ci: add MIPS64, PowerPC64 and RISCV64
edaf77da740d scripts: devel-build: add missing LUAPATH
c0773869c9d6 build: disable static json-c
ecddb31dc34d formal: fix workflow permissions
7928f1711703 libubox: Add ability to find ordinal position inside a table

Changes: openwrt/libubox@a75209f...7928f17

Link: openwrt/openwrt#21099
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

Author: hauke

package/libs/libubox/Makefile

@@ -5,9 +5,9 @@ PKG_RELEASE=1
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL=$(PROJECT_GIT)/project/libubox.git
-PKG_MIRROR_HASH:=5bd17ef3e681529fda6992d76a7104f2fef81002c2d776c11217e3b99426a669
-PKG_SOURCE_DATE:=2025-11-14
-PKG_SOURCE_VERSION:=a75209f62982f7218f73b9b4fd9b705e19f5f94a
+PKG_MIRROR_HASH:=59cebd566db9013497e2094011f37eef9dcf5b3399b81be3e7c5217d646b82ee
+PKG_SOURCE_DATE:=2025-12-08
+PKG_SOURCE_VERSION:=7928f1711703767b0ac5ce916c7231d0e1af1ca2
 PKG_ABI_VERSION:=$(call abi_version_str,$(PKG_SOURCE_DATE))
 CMAKE_INSTALL:=1