deps: update c-ares to 1.17.2
PR was created by downloading content of https://github.com/c-ares/c-ares/releases/tag/cares-1_17_2, and copying modifications to the files we already had in our tree. nameser.h is renamed to ares_nameser.h.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
PR was created by downloading content of https://github.com/c-ares/c-ares/releases/tag/cares-1_17_2, and copying modifications to the files we already had in our tree. nameser.h is renamed to ares_nameser.h.