There is a new pull request by jdnuemm against master on the void-packages repository

https://github.com/jdnuemm/void-packages firefox-esr-i18n-91.3.0
https://github.com/void-linux/void-packages/pull/34168

firefox-esr-i18n: update to 91.3.0.
Testing the changes:

- I tested the changes in this PR: briefly

Local build testing:

- I built this PR locally for my native architecture, x86_64-glibc

A patch file from https://github.com/void-linux/void-packages/pull/34168.patch is attached