Update k8s versions for KinD tests (#987)
Update k8s versions for KinD tests (#987)

Signed-off-by: Pierangelo Di Pilato <b6054fff5975a97a6b1347c22e6e7915c701af4c@gmail.com>
knative-sandbox/eventing-kafka-broker,knative-sandbox/eventing-kafka-broker,knative-sandbox/eventing-kafka-broker