Merge pull request #3294 from replicatedhq/squizzi/sc-124490/rke2-single-node

chore(cmx): update support for rke2

Author: AmberAlston

docs/vendor/testing-supported-clusters.md

@@ -123,15 +123,15 @@ Compatibility Matrix supports creating [RKE2](https://docs.rke2.io/) clusters.
   </tr>
   <tr>
     <th>Node Groups</th>
-    <td>Yes</td>
+    <td>No</td>
   </tr>
   <tr>
     <th>Node Auto Scaling</th>
     <td>No</td>
   </tr>
   <tr>
     <th>Nodes</th>
-    <td>Supports multiple nodes.</td>
+    <td>Supports a single node.</td>
   </tr>
   <tr>
     <th>IP Family</th>