ci: exclude generated files from coverage
ci: exclude generated files from coverage

GoogleCloudPlatform/gcloud-node,ofrobots/google-cloud-node,ofrobots/google-cloud-node,googleapis/google-cloud-node,callmehiphop/gcloud-node,jgeewax/gcloud-node,callmehiphop/gcloud-node,jgeewax/gcloud-node,googleapis/google-cloud-node,ofrobots/google-cloud-node,googleapis/google-cloud-node,GoogleCloudPlatform/gcloud-node,googleapis/google-cloud-node,GoogleCloudPlatform/gcloud-node