Update dependency quay.io/kiali/kiali-operator to v1.56.0

This MR contains the following updates:

Package	Type	Update	Change
quay.io/kiali/kiali-operator	ironbank-docker	minor	v1.55.1 -> v1.56.0
quay.io/kiali/kiali-operator		minor	v1.55.1 -> v1.56.0
quay.io/kiali/kiali-operator	stage	minor	v1.55.1 -> v1.56.0

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