ci: Download traces from MinIO in baremetal runs

Now that we have MinIO, we can distribute traces better than by direct
downloads from git.

With a caching MinIO instance local to the DUT, total run times should
be noticeably impacted.

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>
3 files changed