[OSDOCS-5646]: Confidential Computing is Tech Preview

Author: jeana-redhat

modules/machineset-gcp-confidential-vm.adoc

@@ -15,6 +15,9 @@ By editing the machine set YAML file, you can configure the Confidential VM opti
 
 For more information about Confidential Compute features, functionality, and compatibility, see the GCP Compute Engine documentation about link:https://cloud.google.com/compute/confidential-vm/docs/about-cvm[Confidential VM].
 
+:FeatureName: Confidential Computing
+include::snippets/technology-preview.adoc[]
+
 .Procedure
 
 . In a text editor, open the YAML file for an existing machine set or create a new one.