ci: Upload traces' reference and actual images to MinIO

Now that the devices have sane dates, we can upload to MinIO.

Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6136>
2 files changed