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

https://github.com/jdnuemm/void-packages firefox-esr-91.3.0
https://github.com/void-linux/void-packages/pull/34167

firefox-esr: 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

Note:

I use the Patches from Thunderbird and sync the template with Firefox. 

[skip CI]

A patch file from https://github.com/void-linux/void-packages/pull/34167.patch is attached