Update Terraform to v0.5.0 in lattice-pipeline image.
Update Terraform to v0.5.0 in lattice-pipeline image.

[#94412338]

Signed-off-by: David Wadden <ff4ebafbe4a7d77cde45f9afefafd7a5dfa94f36@pivotal.io>

datachand/lattice,Klaudit/lattice,Klaudit/lattice,datachand/lattice,datachand/lattice,datachand/lattice,svrc-pivotal/lattice,felipeg48/lattice,davidwadden/lattice-release,cloudfoundry-incubator/ltc,davidwadden/lattice-release,davidwadden/lattice,Klaudit/lattice,SrinivasChilveri/lattice,SrinivasChilveri/lattice,Klaudit/lattice,felipeg48/lattice,SrinivasChilveri/lattice,svrc-pivotal/lattice,SrinivasChilveri/lattice,svrc-pivotal/lattice,svrc-pivotal/lattice,cloudfoundry-incubator/ltc,davidwadden/lattice