There is a new pull request by ardadem against master on the void-packages repository

https://github.com/ardadem/void-packages pr-rm-comptonconf
https://github.com/void-linux/void-packages/pull/32209

compton-conf: remove package
upstream archived the project
also compton replaced by picom long time ago on the repos

A patch file from https://github.com/void-linux/void-packages/pull/32209.patch is attached