Add HTTP Client to opampextension #27421

Job	Run time
collector-build	5m 11s
docker-build	5m 40s
supervisor-test	1m 12s
kubernetes-test-matrix (v1.26.0, receiver/k8sclusterreceiver)	6m 9s
kubernetes-test-matrix (v1.26.0, processor/k8sattributesprocessor)	3m 43s
kubernetes-test-matrix (v1.26.0, receiver/kubeletstatsreceiver)	4m 14s
kubernetes-test-matrix (v1.26.0, receiver/k8sobjectsreceiver)	3m 15s
kubernetes-test-matrix (v1.25.3, receiver/k8sclusterreceiver)	4m 46s
kubernetes-test-matrix (v1.25.3, processor/k8sattributesprocessor)	3m 32s
kubernetes-test-matrix (v1.25.3, receiver/kubeletstatsreceiver)	4m 18s
kubernetes-test-matrix (v1.25.3, receiver/k8sobjectsreceiver)	3m 17s
kubernetes-test-matrix (v1.24.7, receiver/k8sclusterreceiver)	4m 51s
kubernetes-test-matrix (v1.24.7, processor/k8sattributesprocessor)	3m 19s
kubernetes-test-matrix (v1.24.7, receiver/kubeletstatsreceiver)	4m 55s
kubernetes-test-matrix (v1.24.7, receiver/k8sobjectsreceiver)	3m 34s
kubernetes-test-matrix (v1.23.13, receiver/k8sclusterreceiver)	5m 5s
kubernetes-test-matrix (v1.23.13, processor/k8sattributesprocessor)	3m 21s
kubernetes-test-matrix (v1.23.13, receiver/kubeletstatsreceiver)	4m 14s
kubernetes-test-matrix (v1.23.13, receiver/k8sobjectsreceiver)	3m 28s
kubernetes-test	1s
	1h 18m 5s

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