OSDOCS-7446 Add Update Cautions

Author: jmanthei

networking/aws_load_balancer_operator/aws-load-balancer-operator-release-notes.adoc

@@ -68,6 +68,12 @@ The following advisory is available for the AWS Load Balancer Operator version 1
 
 * link:https://access.redhat.com/errata/RHEA-2023:1954[RHEA-2023:1954 Release of AWS Load Balancer Operator on OperatorHub Enhancement Advisory Update]
 
+[IMPORTANT]
+====
+The AWS Load Balancer (ALB) Operator version 1.x.x cannot upgrade automatically from the Technology Preview version 0.x.x.
+To upgrade from an earlier version, you must uninstall the ALB operands and delete the `aws-load-balancer-operator` namespace.
+====
+
 [id="aws-load-balancer-operator-1.0.0-notable-changes"]
 === Notable changes