Improve syntax again for lattice.tgz url when building terraform artifacts
Improve syntax again for lattice.tgz url when building terraform artifacts

[#104919732]

Signed-off-by: Keaty Gross <ba27100af1ae477f2abedd28f15b1dd208b1f48a@pivotal.io>

cloudfoundry-incubator/lattice-ci,cloudfoundry-incubator/lattice-ci,cloudfoundry-incubator/lattice-ci