Update quay.io/cilium/operator Docker tag to v1.14.6

This MR contains the following updates:

Package	Type	Update	Change
quay.io/cilium/operator	ironbank-docker	patch	v1.14.5 -> v1.14.6
quay.io/cilium/operator	stage	patch	v1.14.5 -> v1.14.6

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