Pull request 1769: 5584-invalid-host-panic

Merge in DNS/adguard-home from 5584-invalid-host-panic to master

Updates #5584.

Squashed commit of the following:

commit a09b59e279089c86b785b3c839dff10b3f327779
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Tue Mar 14 17:05:12 2023 +0300

    all: upd golibs, add test

CHANGELOG.md

@@ -23,6 +23,13 @@ See also the [v0.107.27 GitHub milestone][ms-v0.107.27].
 NOTE: Add new changes BELOW THIS COMMENT.
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+### Fixed
+
+- Panic caused by empty top-level domain name label in `/etc/hosts` files
+  ([#5584]).
+
+[#5584]: https://github.com/AdguardTeam/AdGuardHome/issues/5584
+
 <!--
 NOTE: Add new changes ABOVE THIS COMMENT.
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