c-ares: bump to 1.18.1

Changelog: https://lists.haxx.se/pipermail/c-ares/2021-October/000002.html

This includes the update to the domain name, made upstream, ref: https://lists.haxx.se/pipermail/c-ares/2021-September/000001.html

Signed-off-by: Karl Palsson <karlp@etactica.com>

libs/c-ares/Makefile

@@ -9,12 +9,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=c-ares
-PKG_VERSION:=1.17.2
+PKG_VERSION:=1.18.1
 PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
-PKG_SOURCE_URL:=https://c-ares.haxx.se/download
-PKG_HASH:=4803c844ce20ce510ef0eb83f8ea41fa24ecaae9d280c468c582d2bb25b3913d
+PKG_SOURCE_URL:=https://c-ares.org/download
+PKG_HASH:=1a7d52a8a84a9fbffb1be9133c0f6e17217d91ea5a6fa61f6b4729cda78ebbcf
 
 PKG_LICENSE:=MIT
 PKG_LICENSE_FILES:=LICENSE.md