selftests/hid: vmtest.sh: update vm2c and container

boot2container is now on an official project, so let's use that.
The container image is now the same I use for the CI, so let's keep
to it.

Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Acked-by: Jiri Kosina <jkosina@suse.com>
Link: https://lore.kernel.org/r/20231206-wip-selftests-v2-1-c0350c2f5986@kernel.org


Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>