libubox: bump to git HEAD

 123e976 uloop: restore return type of uloop_timeout_remaining
 3344157 uloop: add uloop_timeout_remaining64
 c87d3e1 lua/uloop: use uloop_timeout_remaining64
 c86a894 uloop: deprecate uloop_timeout_remaining

Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>

package/libs/libubox/Makefile

@@ -1,13 +1,13 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=libubox
-PKG_RELEASE=1
+PKG_RELEASE=2
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL=$(PROJECT_GIT)/project/libubox.git
-PKG_MIRROR_HASH:=3433e1d54bdf9685397cb9ba8b600636b3db7baf1b8578935309aee60eb2cf20
+PKG_MIRROR_HASH:=7ea3c04e8d274bfc99789f9880c97aead9013095d2ac6dc4fcbee47fc533f3a9
 PKG_SOURCE_DATE:=2021-11-04
-PKG_SOURCE_VERSION:=be3dc7223a6d75587e26f8b8d6d56920841e44b6
+PKG_SOURCE_VERSION:=c86a894ec63d83ecf2c373bbf9dc8fba9713d942
 PKG_ABI_VERSION:=$(call abi_version_str,$(PKG_SOURCE_DATE))
 CMAKE_INSTALL:=1