There is an updated pull request by m3tav3rse against master on the void-packages repository

https://github.com/m3tav3rse/void-packages geckodriver
https://github.com/void-linux/void-packages/pull/16478

geckodriver: update to 0.26.0


A patch file from https://github.com/void-linux/void-packages/pull/16478.patch is attached