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

https://github.com/Duncaen/void-packages firefox-127
https://github.com/void-linux/void-packages/pull/50816

firefox: update to 127.0.
[ci skip]

* [x] x86_64-glibc
* [x] x86_64-musl
* [x] aarch64-musl
* [ ] i686-glibc

A patch file from https://github.com/void-linux/void-packages/pull/50816.patch is attached