Update registry.k8s.io/autoscaling/vpa-admission-controller Docker tag to v1.1.1

This MR contains the following updates:

Package	Type	Update	Change
registry.k8s.io/autoscaling/vpa-admission-controller		patch	1.1.0 -> 1.1.1
registry.k8s.io/autoscaling/vpa-admission-controller	stage	patch	1.1.0 -> 1.1.1

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