Update the docker image in run-rootfs-smoke-test, so we have a newer version of bbl
Update the docker image in run-rootfs-smoke-test, so we have a newer version of bbl

Co-authored-by: David Freilich <0106e5ee349bb58d7c51800b6acf5b57cf80aef6@pivotal.io>

cloudfoundry/buildpacks-ci,cloudfoundry/buildpacks-ci,cloudfoundry/buildpacks-ci,cloudfoundry/buildpacks-ci,cloudfoundry/buildpacks-ci