libxml2: update to 2.12.1

Release Notes:
- https://gitlab.gnome.org/GNOME/libxml2/-/releases/v2.12.0
- https://gitlab.gnome.org/GNOME/libxml2/-/releases/v2.12.1

Remove patch:
- 010-iconv.patch

Signed-off-by: Nick Hainke <vincent@systemli.org>

package/libs/libxml2/Makefile

@@ -1,12 +1,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=libxml2
-PKG_VERSION:=2.11.6
+PKG_VERSION:=2.12.1
 PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
 PKG_SOURCE_URL:=@GNOME/libxml2/$(basename $(PKG_VERSION))
-PKG_HASH:=c90eee7506764abbe07bb616b82da452529609815aefef423d66ef080eb0c300
+PKG_HASH:=8982b9ccdf7f456e30d8f7012d50858c6623e495333b6191def455c7e95427eb
 
 PKG_LICENSE:=MIT
 PKG_LICENSE_FILES:=COPYING

package/libs/libxml2/patches/010-iconv.patch

@@ -1,12 +0,0 @@
---- a/CMakeLists.txt
-+++ b/CMakeLists.txt
-@@ -469,6 +469,9 @@ if(LIBXML2_WITH_PROGRAMS)
- 		add_executable(LibXml2::${PROGRAM} ALIAS ${PROGRAM})
- 		target_compile_definitions(${PROGRAM} PRIVATE SYSCONFDIR="${CMAKE_INSTALL_FULL_SYSCONFDIR}")
- 		target_link_libraries(${PROGRAM} LibXml2)
-+		if(LIBXML2_WITH_ICONV AND NOT Iconv_IS_BUILT_IN)
-+			target_link_libraries(${PROGRAM} iconv)
-+		endif()
- 		if(HAVE_LIBHISTORY)
- 			target_link_libraries(${PROGRAM} history)
- 		endif()