Update module golang.org/x/sync to v0.7.0 #31073

Job	Run time
collector-build	6m 54s
docker-build	7m 16s
supervisor-test	2m 25s
kubernetes-test-matrix (v1.26.0, receiver/k8sclusterreceiver)	6m 42s
kubernetes-test-matrix (v1.26.0, processor/k8sattributesprocessor)	6m 6s
kubernetes-test-matrix (v1.26.0, receiver/kubeletstatsreceiver)	5m 41s
kubernetes-test-matrix (v1.26.0, receiver/k8sobjectsreceiver)	5m 0s
kubernetes-test-matrix (v1.25.3, receiver/k8sclusterreceiver)	6m 22s
kubernetes-test-matrix (v1.25.3, processor/k8sattributesprocessor)	6m 1s
kubernetes-test-matrix (v1.25.3, receiver/kubeletstatsreceiver)	6m 2s
kubernetes-test-matrix (v1.25.3, receiver/k8sobjectsreceiver)	4m 47s
kubernetes-test-matrix (v1.24.7, receiver/k8sclusterreceiver)	6m 19s
kubernetes-test-matrix (v1.24.7, processor/k8sattributesprocessor)	6m 9s
kubernetes-test-matrix (v1.24.7, receiver/kubeletstatsreceiver)	5m 49s
kubernetes-test-matrix (v1.24.7, receiver/k8sobjectsreceiver)	5m 4s
kubernetes-test-matrix (v1.23.13, receiver/k8sclusterreceiver)	9m 25s
kubernetes-test-matrix (v1.23.13, processor/k8sattributesprocessor)	5m 59s
kubernetes-test-matrix (v1.23.13, receiver/kubeletstatsreceiver)	6m 6s
kubernetes-test-matrix (v1.23.13, receiver/k8sobjectsreceiver)	5m 0s
kubernetes-test	1s
	1h 53m 8s

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