Update k8s.gcr.io/autoscaling/vpa-recommender Docker tag to v0.12.0

This MR contains the following updates:

Package	Type	Update	Change
k8s.gcr.io/autoscaling/vpa-recommender	ironbank-docker	minor	0.9.2 -> 0.12.0
k8s.gcr.io/autoscaling/vpa-recommender		minor	0.9.2 -> 0.12.0

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