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

tmux: update to 3.4
https://github.com/void-linux/void-packages/pull/48746

Description:
A [basic support for sixel](https://github.com/tmux/tmux/commit/dfbc6b1888c110cf0ade66f20188c57757ee1298) was added on this [release](https://github.com/tmux/tmux/blob/608d113486835515e7a89b1511704440c68ae817/CHANGES#L13) (enabled with `--enable-sixel`), so it would be good if more people can test it.

A list of terminal emulators that do support sixel is available [here](https://www.arewesixelyet.com/).

#### 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-libc
- I built this PR locally for these architectures:
  - armv7l (crossbuild)