feat/re-allow multiple workers #46542

Job	Run time
collector-build	6m 8s
docker-build	6m 10s
supervisor-test	54s
kubernetes-test-matrix (v1.30.0, receiver/k8sclusterreceiver)	6m 30s
kubernetes-test-matrix (v1.30.0, processor/k8sattributesprocessor)	6m 25s
kubernetes-test-matrix (v1.30.0, receiver/kubeletstatsreceiver)	4m 4s
kubernetes-test-matrix (v1.30.0, receiver/k8sobjectsreceiver)	3m 11s
kubernetes-test-matrix (v1.23.17, receiver/k8sclusterreceiver)	6m 35s
kubernetes-test-matrix (v1.23.17, processor/k8sattributesprocessor)	6m 38s
kubernetes-test-matrix (v1.23.17, receiver/kubeletstatsreceiver)	4m 14s
kubernetes-test-matrix (v1.23.17, receiver/k8sobjectsreceiver)	3m 32s
kubernetes-test	1s
	54m 22s

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