feat/re-allow multiple workers #46364

Job	Run time
docker-build	6m 27s
collector-build	6m 2s
supervisor-test	55s
kubernetes-test-matrix (v1.30.0, receiver/k8sclusterreceiver)	6m 36s
kubernetes-test-matrix (v1.30.0, processor/k8sattributesprocessor)	6m 37s
kubernetes-test-matrix (v1.30.0, receiver/kubeletstatsreceiver)	4m 19s
kubernetes-test-matrix (v1.30.0, receiver/k8sobjectsreceiver)	3m 21s
kubernetes-test-matrix (v1.23.17, receiver/k8sclusterreceiver)	6m 39s
kubernetes-test-matrix (v1.23.17, processor/k8sattributesprocessor)	6m 43s
kubernetes-test-matrix (v1.23.17, receiver/kubeletstatsreceiver)	4m 4s
kubernetes-test-matrix (v1.23.17, receiver/k8sobjectsreceiver)	3m 10s
kubernetes-test	1s
	54m 54s

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