ci: bare-metal: use nginx to get results from DUT

Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/2655
Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5661>

.gitlab-ci/create-rootfs.sh

@@ -4,6 +4,7 @@ set -ex
 
 apt-get -y install --no-install-recommends \
     ca-certificates \
+    curl \
     initramfs-tools \
     libpng16-16 \
     strace \