[chore][extension/opampextension] Enable goleak check #27710

Job	Run time
collector-build	5m 1s
docker-build	5m 16s
supervisor-test	53s
kubernetes-test-matrix (v1.26.0, receiver/k8sclusterreceiver)	4m 52s
kubernetes-test-matrix (v1.26.0, processor/k8sattributesprocessor)	3m 52s
kubernetes-test-matrix (v1.26.0, receiver/kubeletstatsreceiver)	4m 14s
kubernetes-test-matrix (v1.26.0, receiver/k8sobjectsreceiver)	3m 21s
kubernetes-test-matrix (v1.25.3, receiver/k8sclusterreceiver)	4m 57s
kubernetes-test-matrix (v1.25.3, processor/k8sattributesprocessor)	3m 48s
kubernetes-test-matrix (v1.25.3, receiver/kubeletstatsreceiver)	4m 16s
kubernetes-test-matrix (v1.25.3, receiver/k8sobjectsreceiver)	3m 28s
kubernetes-test-matrix (v1.24.7, receiver/k8sclusterreceiver)	4m 45s
kubernetes-test-matrix (v1.24.7, processor/k8sattributesprocessor)	3m 39s
kubernetes-test-matrix (v1.24.7, receiver/kubeletstatsreceiver)	4m 30s
kubernetes-test-matrix (v1.24.7, receiver/k8sobjectsreceiver)	3m 39s
kubernetes-test-matrix (v1.23.13, receiver/k8sclusterreceiver)	5m 14s
kubernetes-test-matrix (v1.23.13, processor/k8sattributesprocessor)	3m 55s
kubernetes-test-matrix (v1.23.13, receiver/kubeletstatsreceiver)	4m 43s
kubernetes-test-matrix (v1.23.13, receiver/k8sobjectsreceiver)	3m 17s
kubernetes-test	1s
	1h 17m 41s

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