bump cfdot
bump cfdot

[finishes #152248400]

Submodule src/code.cloudfoundry.org/cfdot 1c594ad..f5c7aa6:
  > add cell-states command

Signed-off-by: Nima Kaviani <0ebde517669f70c2aec92dc89d4950413b825ec0@us.ibm.com>

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