package/libxml2: bump version to 2.11.5

Release notes:
https://download.gnome.org/sources/libxml2/2.11/libxml2-2.11.5.news

Signed-off-by: Bernd Kuhls <bernd@kuhls.net>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit 622698d78472aad0b4afa2775fd35dd5bff7a865)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/libxml2/libxml2.hash

@@ -1,4 +1,4 @@
-# From https://download.gnome.org/sources/libxml2/2.11/libxml2-2.11.4.sha256sum
-sha256  737e1d7f8ab3f139729ca13a2494fd17bf30ddb4b7a427cf336252cab57f57f7  libxml2-2.11.4.tar.xz
+# From https://download.gnome.org/sources/libxml2/2.11/libxml2-2.11.5.sha256sum
+sha256  3727b078c360ec69fa869de14bd6f75d7ee8d36987b071e6928d4720a28df3a6  libxml2-2.11.5.tar.xz
 # License files, locally calculated
 sha256  c5c63674f8a83c4d2e385d96d1c670a03cb871ba2927755467017317878574bd  Copyright

package/libxml2/libxml2.mk

@@ -5,7 +5,7 @@
 ################################################################################
 
 LIBXML2_VERSION_MAJOR = 2.11
-LIBXML2_VERSION = $(LIBXML2_VERSION_MAJOR).4
+LIBXML2_VERSION = $(LIBXML2_VERSION_MAJOR).5
 LIBXML2_SOURCE = libxml2-$(LIBXML2_VERSION).tar.xz
 LIBXML2_SITE = \
 	https://download.gnome.org/sources/libxml2/$(LIBXML2_VERSION_MAJOR)