Update testing-supported-clusters.md (#2803)

Added RKE2 versions

Author: xavpaice

docs/vendor/testing-supported-clusters.md

@@ -115,7 +115,7 @@ Compatibility Matrix supports creating [RKE2](https://docs.rke2.io/) clusters.
   </tr>
   <tr>
     <th>Supported Kubernetes Versions</th>
-    <td>1.24.1, 1.24.2, 1.24.3, 1.24.4, 1.24.6, 1.24.7, 1.24.8, 1.24.9, 1.24.10, 1.24.11, 1.24.12, 1.24.13, 1.24.14, 1.24.15, 1.24.16, 1.24.17, 1.25.0, 1.25.2, 1.25.3, 1.25.4, 1.25.5, 1.25.6, 1.25.7, 1.25.8, 1.25.9, 1.25.10, 1.25.11, 1.25.12, 1.25.13, 1.25.14, 1.25.15, 1.25.16, 1.26.0, 1.26.1, 1.26.2, 1.26.3, 1.26.4, 1.26.5, 1.26.6, 1.26.7, 1.26.8, 1.26.9, 1.26.10, 1.26.11, 1.26.12, 1.26.13, 1.26.14, 1.26.15, 1.27.1, 1.27.2, 1.27.3, 1.27.4, 1.27.5, 1.27.6, 1.27.7, 1.27.8, 1.27.9, 1.27.10, 1.27.11, 1.27.12, 1.27.13, 1.27.14, 1.27.15, 1.27.16, 1.28.2, 1.28.3, 1.28.4, 1.28.5, 1.28.6, 1.28.7, 1.28.8, 1.28.9, 1.28.10, 1.28.11, 1.28.12, 1.28.13, 1.28.14, 1.29.0, 1.29.1, 1.29.2, 1.29.3, 1.29.4, 1.29.5, 1.29.6, 1.29.7, 1.29.8, 1.29.9, 1.30.0, 1.30.1, 1.30.2, 1.30.3, 1.30.4, 1.30.5, 1.31.0, 1.31.1</td>
+    <td>1.24.1, 1.24.2, 1.24.3, 1.24.4, 1.24.6, 1.24.7, 1.24.8, 1.24.9, 1.24.10, 1.24.11, 1.24.12, 1.24.13, 1.24.14, 1.24.15, 1.24.16, 1.24.17, 1.25.0, 1.25.2, 1.25.3, 1.25.4, 1.25.5, 1.25.6, 1.25.7, 1.25.8, 1.25.9, 1.25.10, 1.25.11, 1.25.12, 1.25.13, 1.25.14, 1.25.15, 1.25.16, 1.26.0, 1.26.1, 1.26.2, 1.26.3, 1.26.4, 1.26.5, 1.26.6, 1.26.7, 1.26.8, 1.26.9, 1.26.10, 1.26.11, 1.26.12, 1.26.13, 1.26.14, 1.26.15, 1.27.1, 1.27.2, 1.27.3, 1.27.4, 1.27.5, 1.27.6, 1.27.7, 1.27.8, 1.27.9, 1.27.10, 1.27.11, 1.27.12, 1.27.13, 1.27.14, 1.27.15, 1.27.16, 1.28.2, 1.28.3, 1.28.4, 1.28.5, 1.28.6, 1.28.7, 1.28.8, 1.28.9, 1.28.10, 1.28.11, 1.28.12, 1.28.13, 1.28.14, 1.28.15, 1.29.0, 1.29.1, 1.29.2, 1.29.3, 1.29.4, 1.29.5, 1.29.6, 1.29.7, 1.29.8, 1.29.9, 1.29.10, 1.30.0, 1.30.1, 1.30.2, 1.30.3, 1.30.4, 1.30.5, 1.30.6, 1.31.0, 1.31.1, 1.31.2</td>
   </tr>
   <tr>
     <th>Supported Instance Types</th>