update tier status for hcp

Author: day0hero

content/patterns/hypershift/_index.adoc

@@ -1,7 +1,7 @@
 ---
 title: HyperShift
 date: 2023-11-15
-tier: sandbox
+tier: tested
 summary: This pattern is for deploying the Hosted Control Plane (HyperShift) service.
 rh_products:
 - Red Hat OpenShift Container Platform
@@ -57,4 +57,4 @@ The {hcp-pattern} uses the following products and technologies:
 
 * {rh-ocp} for container orchestration
 * {rh-gitops}: a GitOps continuous delivery (CD) solution
-* The {rh-mce} Operator: the multicluster-engine provider
+* The {rh-mce} Operator: the multicluster-engine provider