Merge in DNS/adguard-home from 3767-remove-dhcp-leases-validators to master Squashed commit of the following: commit 30511ecbb1ebbc913d3c3490b80b284fcc857e6c Author: Dmitriy Seregin <d.seregin@adguard.com> Date: Tue Nov 2 19:20:06 2021 +0300 3767: removed dhcp leases validators