Posture check: GCP Log metric filter and alert does not exist for VPC network route changes
Query: ```config from cloud.resource where api.name = 'gcloud-logging-metric' as X; config from cloud.resource where api.name = 'gcloud-monitoring-policies-list' as Y; filter '$.Y.conditions[*].metricThresholdFilter contains $.X.name and ($.X.filter contains "resource.type =" or $.X.filter contains "resource.type=") and ($.X.filter does not contain "resource.type !=" and $.X.filter does not contain "resource.type!=") and $.X.filter contains "gce_route" and ($.X.filter contains "jsonPayload.event_subtype=" or $.X.filter contains "jsonPayload.event_subtype =") and ($.X.filter does not contain "jsonPayload.event_subtype!=" and $.X.filter does not contain "jsonPayload.event_subtype !=") and $.X.filter contains "compute.routes.delete" and $.X.filter contains "compute.routes.insert"'; show X; count(X) less than 1```