add integration test (#36) #34

Job	Run time
collector-build	7m 26s
docker-build	7m 56s
supervisor-test	39s
kubernetes-test-matrix (v1.30.0, receiver/k8sclusterreceiver)	4m 27s
kubernetes-test-matrix (v1.30.0, processor/k8sattributesprocessor)	6m 35s
kubernetes-test-matrix (v1.30.0, receiver/kubeletstatsreceiver)	4m 6s
kubernetes-test-matrix (v1.30.0, receiver/k8sobjectsreceiver)	3m 8s
kubernetes-test-matrix (v1.23.17, receiver/k8sclusterreceiver)	4m 30s
kubernetes-test-matrix (v1.23.17, processor/k8sattributesprocessor)	6m 23s
kubernetes-test-matrix (v1.23.17, receiver/kubeletstatsreceiver)	4m 19s
kubernetes-test-matrix (v1.23.17, receiver/k8sobjectsreceiver)	3m 9s
kubernetes-test	1s
	52m 39s

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