There's a merged pull request on the void-packages repository

Firefox 99
https://github.com/void-linux/void-packages/pull/36535

Description:
[ci skip]

* [x] x86_64-glibc
* [x] x86_64-musl
* [x] i686-glibc
* [x] aarch64-musl
* [x] armv7l-musl