package/zlog: security bump to version 1.2.18

Fixes the following security issue:

CVE-2024-22857: Heap based buffer flow in zlog v1.1.0 to v1.2.17 in
zlog_rule_new()

https://github.com/advisories/GHSA-6q5p-rp5c-wmph

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit 750dca24e6e8cff7ad1b00b737b2a26d083c3e9a)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/zlog/zlog.hash

@@ -1,3 +1,3 @@
 # Locally computed
-sha256  7fe412130abbb75a0779df89ae407db5d8f594435cc4ff6b068d924e13fd5c68  zlog-1.2.17.tar.gz
+sha256  3977dc8ea0069139816ec4025b320d9a7fc2035398775ea91429e83cb0d1ce4e  zlog-1.2.18.tar.gz
 sha256  c71d239df91726fc519c6eb72d318ec65820627232b2f796219e87dcf35d0ab4  LICENSE

package/zlog/zlog.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-ZLOG_VERSION = 1.2.17
+ZLOG_VERSION = 1.2.18
 ZLOG_SITE = $(call github,HardySimpson,zlog,$(ZLOG_VERSION))
 ZLOG_LICENSE = Apache-2.0
 ZLOG_LICENSE_FILES = LICENSE