Fix Volumes property definition in ContainerConfig
Actually the specification was expecting a 'additionalProperties' for the Volumes data, where in fact it's expecting
a map of string pointing to empty object.
@@ -838,7 +838,6 @@ definitions:
Volumes:
description: "An object mapping mount point paths inside the container to empty objects."
type: "object"
- properties:
additionalProperties:
type: "object"
enum:
