[chore] Parallelize e2e tests #25712

Job	Run time
collector-build	5m 55s
docker-build	5m 46s
supervisor-test	55s
kubernetes-test-matrix (v1.26.0, receiver/k8sclusterreceiver)	4m 50s
kubernetes-test-matrix (v1.26.0, processor/k8sattributesprocessor)	3m 15s
kubernetes-test-matrix (v1.26.0, receiver/kubeletstatsreceiver)	4m 10s
kubernetes-test-matrix (v1.26.0, receiver/k8sobjectsreceiver)	3m 7s
kubernetes-test-matrix (v1.25.3, receiver/k8sclusterreceiver)	4m 44s
kubernetes-test-matrix (v1.25.3, processor/k8sattributesprocessor)	3m 35s
kubernetes-test-matrix (v1.25.3, receiver/kubeletstatsreceiver)	4m 12s
kubernetes-test-matrix (v1.25.3, receiver/k8sobjectsreceiver)	3m 14s
kubernetes-test-matrix (v1.24.7, receiver/k8sclusterreceiver)	4m 48s
kubernetes-test-matrix (v1.24.7, processor/k8sattributesprocessor)	3m 24s
kubernetes-test-matrix (v1.24.7, receiver/kubeletstatsreceiver)	4m 11s
kubernetes-test-matrix (v1.24.7, receiver/k8sobjectsreceiver)	3m 30s
kubernetes-test-matrix (v1.23.13, receiver/k8sclusterreceiver)	4m 46s
kubernetes-test-matrix (v1.23.13, processor/k8sattributesprocessor)	3m 30s
kubernetes-test-matrix (v1.23.13, receiver/kubeletstatsreceiver)	4m 29s
kubernetes-test-matrix (v1.23.13, receiver/k8sobjectsreceiver)	3m 18s
kubernetes-test	1s
	1h 15m 40s

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