Test the new Vagrant version (2.4.3)

[ipspace]

It might be time to switch the pinned Vagrant/libvirt versions in the libvirt.sh installation script. The new combo should be tested with as many devices as possible on Ubuntu 20.04, 22.04, 24.04, and Debian Bookworm.

[jbemmel]

This PR for vagrant-libvirt is relevant: https://github.com/vagrant-libvirt/vagrant-libvirt/pull/1835/files

The warning about an unsupported command pops up - it would be good to have this fix in

[ipspace]

The warning about an unsupported command pops up - it would be good to have this fix in

Agree. That's the only gotcha I found so far. Will keep using the Vagrant 2.4.3/vagrant-libvirt 0.12.2 combo and when they fix that annoying message we can move to the newer version.