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

firefox: enable in i686
https://github.com/void-linux/void-packages/pull/30455

Description:
<!-- Mark items with [x] where applicable -->
#### Have the results of the proposed changes been tested?
- [ ] I use the packages affected by the proposed changes on a regular basis and confirm this PR works for me
- [x] I generally don't use the affected packages (on i686) but briefly tested this PR

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#### Does it build and run successfully? 
- [x] I built this PR locally for my native architecture, i686

references #30031

[ci skip]