chore(release): Deprecate 1.16.7 (#1746)
chore(release): Deprecate 1.16.7 (#1746)

As we support 3 minor releases, the release of 1.19.0 means that
the 1.16.x releases are now deprecated.
spinnaker/spinnaker.github.io,spinnaker/spinnaker.github.io,ttomsu/spinnaker.github.io,ttomsu/spinnaker.github.io,spinnaker/spinnaker.github.io,ttomsu/spinnaker.github.io