There is an updated pull request by CameronNemo against master on the void-packages repository

https://github.com/CameronNemo/void-packages dhcpcd-privsep-option
https://github.com/void-linux/void-packages/pull/24867

dhcpcd: make privsep a build option
Still forks away from the supervisor :/
But there is no huge process tree, just a launcher and master.

A patch file from https://github.com/void-linux/void-packages/pull/24867.patch is attached