bump atc
bump atc

Submodule src/github.com/concourse/atc e0434a2d..6e0c2ca6:
  > query by status, not 'completed'

Signed-off-by: JT Archie <4f9753a5161b47f990c4f321986d40dee5fdf803@pivotal.io>

concourse/concourse,concourse/concourse,concourse/concourse,concourse/concourse,concourse/concourse