Pull request: ADG-9715 formatting of elapsed times less than one millisecond

Merge in DNS/adguard-home from ADG-9715 to master

Squashed commit of the following:

commit d972608ad5429810e0f5ad430f11e037cd05ee40
Author: Ildar Kamalov <ik@adguard.com>
Date:   Thu Mar 6 12:46:29 2025 +0300

    ADG-9715 formatting of elapsed times less than one millisecond