Update k8s min and deps to 1.30 #2488

Job	Run time
Unit Test (knative/serving)	10m 28s
Unit Test (knative/networking)	5m 32s
Unit Test (knative/eventing)	13m 11s
Unit Test (knative/operator)	7m 42s
Unit Test (knative/client)	8m 3s
Unit Test (knative-extensions/eventing-autoscaler-keda)	5m 13s
Unit Test (knative-extensions/eventing-ceph)	5m 19s
Unit Test (knative-extensions/eventing-github)	5m 49s
Unit Test (knative-extensions/eventing-gitlab)	5m 30s
Unit Test (knative-extensions/eventing-kafka-broker)	10m 12s
Unit Test (knative-extensions/eventing-rabbitmq)	8m 9s
Unit Test (knative-extensions/eventing-redis)	5m 51s
Unit Test (knative-extensions/kn-plugin-admin)	5m 26s
Unit Test (knative-extensions/net-certmanager)	4m 48s
Unit Test (knative-extensions/net-contour)	5m 17s
Unit Test (knative-extensions/net-istio)	5m 32s
Unit Test (knative-extensions/net-kourier)	5m 23s
	1h 57m 25s

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