Pull request 2494: AGDNS-3279-configmigrate-slog

Squashed commit of the following:

commit c92b175fb64ce512d60f160d9ab23225e100fa40
Author: Stanislav Chzhen <s.chzhen@adguard.com>
Date:   Mon Oct 6 17:32:22 2025 +0300

    configmigrate: fix typo

commit c1fa0ed1ea05b15fa6d506c6d5aab6373c9b5844
Author: Stanislav Chzhen <s.chzhen@adguard.com>
Date:   Mon Oct 6 17:00:59 2025 +0300

    all: configmigrate slog