cherry-pick: all: imp updater

Merge in DNS/adguard-home from imp-updater to master

Squashed commit of the following:

commit 6ed487359e56a35b36f13dcbf2efbf2a7a2d8734
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Thu Jun 9 16:29:35 2022 +0300

    all: imp logs, err handling

commit e930044cb619a43e5a44c230dadbe2228e9a93f5
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Thu Jun 9 15:53:35 2022 +0300

    all: imp updater

scripts/make/build-release.sh

@@ -363,6 +363,7 @@ else
 fi
 readonly announcement_url
 
+# TODO(a.garipov): Remove "selfupdate_min_version" in future versions.
 rm -f "$version_json"
 echo "{
   \"version\": \"${version}\",