libxml2: update to 2.12.4

Release Notes:
- https://gitlab.gnome.org/GNOME/libxml2/-/releases/v2.12.4



Signed-off-by: Nick Hainke <vincent@systemli.org>
(cherry picked from commit d82930c7c776d974e717ec958ca0c1019fea3b8f)

package/libs/libxml2/Makefile

 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=libxml2
-PKG_VERSION:=2.12.3
+PKG_VERSION:=2.12.4
 PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
 PKG_SOURCE_URL:=@GNOME/libxml2/$(basename $(PKG_VERSION))
-PKG_HASH:=8c8f1092340a89ff32bc44ad5c9693aff9bc8a7a3e161bb239666e5d15ac9aaa
+PKG_HASH:=497360e423cf0bd99eacdb7c6215dea92e6d6e89ee940393c2bae0e77cb9b7d0
 
 PKG_LICENSE:=MIT
 PKG_LICENSE_FILES:=COPYING