libubox: update to Git HEAD (2023-11-28)

b77f2a4ce903 uloop: fix build using C++ compilers
260ad5bd1566 udebug: add ulog support
e80dc00ee90c link librt if needed for shm_open

Signed-off-by: Felix Fietkau <[email protected]>

package/libs/libubox/Makefile

@@ -5,9 +5,9 @@ PKG_RELEASE=1
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL=$(PROJECT_GIT)/project/libubox.git
-PKG_MIRROR_HASH:=e0881d8c61a953c2e0e721f3063e4a3d53de81fe74dee972074c839b5027a75f
-PKG_SOURCE_DATE:=2023-11-27
-PKG_SOURCE_VERSION:=d4c3066e7c5efa5f395c21db77609516d386cbf8
+PKG_MIRROR_HASH:=ec4487b5edc071a127b21a63666c20ac1ad516cd48629ee600a679040c709faf
+PKG_SOURCE_DATE:=2023-11-28
+PKG_SOURCE_VERSION:=e80dc00ee90c29ef56ae28f414b0e5bb361206e7
 PKG_ABI_VERSION:=$(call abi_version_str,$(PKG_SOURCE_DATE))
 CMAKE_INSTALL:=1