[chore] Migrate the "generate" make target to mdatagen from core repo #28054

Job	Run time
collector-build	6m 45s
docker-build	7m 9s
supervisor-test	1m 5s
kubernetes-test-matrix (v1.26.0, receiver/k8sclusterreceiver)	4m 49s
kubernetes-test-matrix (v1.26.0, processor/k8sattributesprocessor)	3m 27s
kubernetes-test-matrix (v1.26.0, receiver/kubeletstatsreceiver)	4m 24s
kubernetes-test-matrix (v1.26.0, receiver/k8sobjectsreceiver)	3m 8s
kubernetes-test-matrix (v1.25.3, receiver/k8sclusterreceiver)	4m 55s
kubernetes-test-matrix (v1.25.3, processor/k8sattributesprocessor)	3m 27s
kubernetes-test-matrix (v1.25.3, receiver/kubeletstatsreceiver)	4m 17s
kubernetes-test-matrix (v1.25.3, receiver/k8sobjectsreceiver)	3m 25s
kubernetes-test-matrix (v1.24.7, receiver/k8sclusterreceiver)	4m 50s
kubernetes-test-matrix (v1.24.7, processor/k8sattributesprocessor)	3m 54s
kubernetes-test-matrix (v1.24.7, receiver/kubeletstatsreceiver)	4m 20s
kubernetes-test-matrix (v1.24.7, receiver/k8sobjectsreceiver)	3m 32s
kubernetes-test-matrix (v1.23.13, receiver/k8sclusterreceiver)	4m 49s
kubernetes-test-matrix (v1.23.13, processor/k8sattributesprocessor)	3m 21s
kubernetes-test-matrix (v1.23.13, receiver/kubeletstatsreceiver)	4m 36s
kubernetes-test-matrix (v1.23.13, receiver/k8sobjectsreceiver)	3m 23s
kubernetes-test	1s
	1h 19m 37s

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