Merge in DNS/adguard-home from 3142-custom-subnets to master
Updates #3142.
Squashed commit of the following:
commit 11469ade75b9dc32ee6d93e3aa35cf79dbaa28b2
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date: Thu Mar 17 19:56:02 2022 +0300
all: upd golibs, use subnet set