Dockerfile: Bump Ginkgo v1.16.5 → v2.0.0
Dockerfile: Bump Ginkgo v1.16.5 → v2.0.0

There'll be hell to pay downstream with my other projects (I'll have to
update the Gingko tests), but at least for sslip.io I'll be in good shape.

I also bumped the BOSH CLI 6.4.4 → 6.4.10

cunnie/deployments,cunnie/deployments