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

Firefox 70.0.0
https://github.com/void-linux/void-packages/pull/15687

Description:
Included 2 commits from #15686, since Firefox 70.0 requires nss 3.46.1

---
Built for:
- [x] x86_64-musl
- [x] x86-64
- [x] i686
- [x] armv7
- [x] aarch64-musl

Tested with:
- [x] x86_64
- [x] x86_64-musl