bump cfdot
bump cfdot

[finishes #145942133]

Submodule src/code.cloudfoundry.org/cfdot 06beefe..fadb23e:
  > Update cfdot locks description

cloudfoundry-incubator/diego-release,cloudfoundry-incubator/diego-release,cloudfoundry-incubator/diego-release,cloudfoundry-incubator/diego-release