bump auction
bump auction

[finishes #107209074]

Submodule src/github.com/cloudfoundry-incubator/auction c4c0453..829cd54:
  > Return communication error and improve log messages in backoff

Signed-off-by: Andrew Edgar <cc1cbeb507c6357651b55d7c7887132c42e42341@ca.ibm.com>

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