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

https://github.com/the-eater/neo-void-packages pkg/php/8.0.0
https://github.com/void-linux/void-packages/pull/26928

php: update to 8.0.0 & xdebug: update to 3.0.0
I am unsure

A patch file from https://github.com/void-linux/void-packages/pull/26928.patch is attached