libnl: update to version 3.12

Changes: https://github.com/thom311/libnl/compare/libnl3_11_0...libnl3_12_0

The apk size did not increase much:
Old size for armsr/armv8:
   767 libnl200-3.11.0-r1.apk
 13480 libnl-cli200-3.11.0-r1.apk
 44511 libnl-core200-3.11.0-r1.apk
  9101 libnl-genl200-3.11.0-r1.apk
 32485 libnl-nf200-3.11.0-r1.apk
185723 libnl-route200-3.11.0-r1.apk

new size for armsr/armv8:
   764 libnl200-3.12.0-r1.apk
 13471 libnl-cli200-3.12.0-r1.apk
 45031 libnl-core200-3.12.0-r1.apk
  9098 libnl-genl200-3.12.0-r1.apk
 32479 libnl-nf200-3.12.0-r1.apk
193131 libnl-route200-3.12.0-r1.apk

Link: https://github.com/openwrt/openwrt/pull/21097
Signed-off-by: Hauke Mehrtens <[email protected]>

package/libs/libnl/Makefile

@@ -6,12 +6,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=libnl
-PKG_VERSION:=3.11.0
+PKG_VERSION:=3.12.0
 PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://github.com/thom311/libnl/releases/download/libnl$(subst .,_,$(PKG_VERSION))
-PKG_HASH:=2a56e1edefa3e68a7c00879496736fdbf62fc94ed3232c0baba127ecfa76874d
+PKG_HASH:=fc51ca7196f1a3f5fdf6ffd3864b50f4f9c02333be28be4eeca057e103c0dd18
 
 PKG_LICENSE:=LGPL-2.1
 PKG_LICENSE_FILES:=COPYING