[chore] Add Sven Rebhan to influxdb code owners #48738

Job	Run time
collector-build	6m 20s
docker-build	6m 38s
supervisor-test	53s
kubernetes-test-matrix (v1.30.0, receiver/k8sclusterreceiver)	6m 31s
kubernetes-test-matrix (v1.30.0, processor/k8sattributesprocessor)	6m 30s
kubernetes-test-matrix (v1.30.0, receiver/kubeletstatsreceiver)	4m 7s
kubernetes-test-matrix (v1.30.0, receiver/k8sobjectsreceiver)	3m 0s
kubernetes-test-matrix (v1.23.17, receiver/k8sclusterreceiver)	6m 33s
kubernetes-test-matrix (v1.23.17, processor/k8sattributesprocessor)	6m 40s
kubernetes-test-matrix (v1.23.17, receiver/kubeletstatsreceiver)	4m 14s
kubernetes-test-matrix (v1.23.17, receiver/k8sobjectsreceiver)	3m 5s
kubernetes-test	1s
	54m 32s

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