Drop the secondary queue and add either ratelimited or after the
required amount of time that we need to wait directly in the main
queue. In this way we can always be sure that we will sync back
the Deployment if its progress has yet to resolve into a complete
(NewReplicaSetAvailable) or TimedOut condition.
This commit adds support for failing deployments based on a timeout
parameter defined in the spec. If there is no progress for the amount
of time defined as progressDeadlineSeconds then the deployment will be
marked as failed by adding a condition with a ProgressDeadlineExceeded
reason in it. Progress in the context of a deployment means the creation
or adoption of a new replica set, scaling up new pods, and scaling down
old pods.