Posture check: OCI Event Rule and Notification does not exist for network gateways changes
Query: ```config from cloud.resource where cloud.type = 'oci' AND api.name = 'oci-events-rule' AND json.rule = '(isEnabled equals true) and (actions.actions[?any( actionType equals ONS and isEnabled equals true and lifecycleState equals ACTIVE)] exists) and (condition.eventType[*] contains com.oraclecloud.virtualnetwork.createdrg and condition.eventType[*] contains com.oraclecloud.virtualnetwork.deletedrg and condition.eventType[*] contains com.oraclecloud.virtualnetwork.updatedrg and condition.eventType[*] contains com.oraclecloud.virtualnetwork.createdrgattachment and condition.eventType[*] contains com.oraclecloud.virtualnetwork.deletedrgattachment and condition.eventType[*] contains com.oraclecloud.virtualnetwork.updatedrgattachment and condition.eventType[*] contains com.oraclecloud.virtualnetwork.changeinternetgatewaycompartment and condition.eventType[*] contains com.oraclecloud.virtualnetwork.createinternetgateway and condition.eventType[*] contains com.oraclecloud.virtualnetwork.deleteinternetgateway and condition.eventType[*] contains com.oraclecloud.virtualnetwork.updateinternetgateway and condition.eventType[*] contains com.oraclecloud.virtualnetwork.changelocalpeeringgatewaycompartment and condition.eventType[*] contains com.oraclecloud.virtualnetwork.createlocalpeeringgateway and condition.eventType[*] contains com.oraclecloud.virtualnetwork.deletelocalpeeringgateway and condition.eventType[*] contains com.oraclecloud.virtualnetwork.updatelocalpeeringgateway and condition.eventType[*] contains com.oraclecloud.natgateway.changenatgatewaycompartment and condition.eventType[*] contains com.oraclecloud.natgateway.createnatgateway and condition.eventType[*] contains com.oraclecloud.natgateway.deletenatgateway and condition.eventType[*] contains com.oraclecloud.natgateway.updatenatgateway and condition.eventType[*] contains com.oraclecloud.servicegateway.attachserviceid and condition.eventType[*] contains com.oraclecloud.servicegateway.changeservicegatewaycompartment and condition.eventType[*] contains com.oraclecloud.servicegateway.createservicegateway and condition.eventType[*] contains com.oraclecloud.servicegateway.deleteservicegateway.begin and condition.eventType[*] contains com.oraclecloud.servicegateway.deleteservicegateway.end and condition.eventType[*] contains com.oraclecloud.servicegateway.detachserviceid and condition.eventType[*] contains com.oraclecloud.servicegateway.updateservicegateway ) and actions.actions[*].topicId exists' as X; count(X) less than 1```