Merge in GO/dnsproxy from hotfix-release to master

Squashed commit of the following:

commit 2dcd1bc7eafb0b5b44b7d1b42ff8cd5afd2da51f
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Wed Aug 9 14:14:19 2023 +0300

    workflows: upd golangci-lint

commit 36e3419bd8c00d712f9e04bee5c22a67aa0858dc
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Wed Aug 9 14:00:25 2023 +0300

    netutil: imp tests, fix sort, fix lint