GitHub Actions: use Linux runners for nested virt

[AkihiroSuda]

"Larger" runners are no longer needed for Linux with nested virt.

Replaces:

• GitHub Actions: use "larger" runners for nested virt #3382

[AkihiroSuda]

https://github.com/kubernetes-sigs/kind/actions/runs/7579837506/job/20644695181?pr=3484

==> default: Running provisioner: install-packages (shell)...
    default: Running: inline script
    default: ++ modprobe tap ip_tables iptable_nat ip6_tables ip6table_nat
    default: ++ sh
    default: ++ curl -fsSL https://get.docker.com
    default: # Executing docker install script, commit: e5543d473431b782227f8908005543bb4389b8de
    default: + sh -c 'dnf install -y -q dnf-plugins-core'
    default: main: line 593:  2636 Killed                  $sh_c "$pkg_manager install -y -q $pre_reqs"
The SSH command responded with a non-zero exit status. Vagrant
assumes that this means the command failed. The output for this command
should be in the log above. Please read the output to determine what
went wrong.

🤔

[aojea]

how can we get more verbosity on the error? some package failing to install ?

[AkihiroSuda]

Switched back from libvirt to VirtualBox.
Now CI is green.

[AkihiroSuda]

/retest

[aojea]

/lgtm
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

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