package/z3: bump to version 4.12.2

For change log since v4.12.1, see:
- https://github.com/Z3Prover/z3/releases/tag/z3-4.12.2

Signed-off-by: Julien Olivain <ju.o@free.fr>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/z3/z3.hash

@@ -1,3 +1,3 @@
 # Locally calculated
-sha256  a3735fabf00e1341adcc70394993c05fd3e2ae167a3e9bb46045e33084eb64a3  z3-4.12.1.tar.gz
+sha256  9f58f3710bd2094085951a75791550f547903d75fe7e2fcb373c5f03fc761b8f  z3-4.12.2.tar.gz
 sha256  e617cad2ab9347e3129c2b171e87909332174e17961c5c3412d0799469111337  LICENSE.txt

package/z3/z3.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-Z3_VERSION = 4.12.1
+Z3_VERSION = 4.12.2
 Z3_SITE = $(call github,Z3Prover,z3,z3-$(Z3_VERSION))
 Z3_LICENSE = MIT
 Z3_LICENSE_FILES = LICENSE.txt