Update cluster-proportional-autoscaler to newer versions

[mboersma]

Describe the issue
Calico references an old version of cluster-proportional-autoscaler. Let's sync it up with the other reference and make sure they're both on a current version.

See #3091

AKS Engine Version*

Kubernetes Version

Gatekeeper Version

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[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.