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

https://github.com/svenper/void-packages patch-1
https://github.com/void-linux/void-packages/pull/12686

harfbuzz: update to 2.5.2
The .bz2 is no longer available.

A patch file from https://github.com/void-linux/void-packages/pull/12686.patch is attached