Merge pull request #3719 from replicatedhq/update-cmx-version-docs-2025-12-16-041711

Update Replicated CMX supported versions docs

Author: paigecalvert

docs/vendor/testing-supported-clusters.md

@@ -363,7 +363,7 @@ CMX supports creating [Google GKE](https://cloud.google.com/kubernetes-engine) c
   </tr>
   <tr>
     <th>Supported Kubernetes Versions</th>
-    <td>{/* START_gke_VERSIONS */}1.31, 1.32, 1.34{/* END_gke_VERSIONS */}</td>
+    <td>{/* START_gke_VERSIONS */}1.31, 1.32, 1.33, 1.34{/* END_gke_VERSIONS */}</td>
   </tr>
   <tr>
     <th>Supported Instance Types</th>