drm: ci: virtio: Make artifacts available

There were no artifacts available for virtio job.
So make the artifacts available in the pipeline job.

Acked-by: Helen Koike <helen.koike@collabora.com>
Signed-off-by: Vignesh Raman <vignesh.raman@collabora.com>
Signed-off-by: Helen Koike <helen.koike@collabora.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231207091831.660054-8-vignesh.raman@collabora.com