bump receptor runtime-schema

[delivers #79618160]

Submodule src/github.com/cloudfoundry-incubator/receptor ec60aad..4cd7d68:
  > added Annotation to DesiredLRP
Submodule src/github.com/cloudfoundry-incubator/runtime-schema 037142e..cbbd091:
  > added 'Annotation' to DesiredLRP

Signed-off-by: Johannes Petzold <jpetzold@pivotal.io>