Load Balancer Operator for Kubernetes Checks

Bump sigs.k8s.io/kustomize/kustomize/v5 from 5.4.2 to 5.6.0 in /hack/tools #1010

# to view logs

Run time

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Job	Run time
lint-check	20s
build-lb-operator-image	1m 12s
unit-test	49s
integration-test	0s
	2m 21s