package/c-ares: security bump to version 1.16.1

Prevent possible use-after-free and double-free in ares_getaddrinfo() if
ares_destroy() is called prior to ares_getaddrinfo() completing.

https://c-ares.haxx.se/changelog.html#1_16_1



Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>