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

https://github.com/phossil/void-packages Terminal.app
https://github.com/void-linux/void-packages/pull/27184

[WIP] New package: Terminal.app-0.9.9
Terminal emulator for GNUstep

A patch file from https://github.com/void-linux/void-packages/pull/27184.patch is attached