docs(k8s): update doc

Author: bene2k1

pages/kubernetes/how-to/upgrade-kapsule-new-node-image-system.mdx

@@ -3,8 +3,8 @@ title: How to upgrade a Kapsule cluster to the new node image system
 description: Learn how to upgrade a Kapsule cluster to the new node image system.
 tags: kubernetes kapsule node image
 dates:
-  validation: 2025-07-16
-  posted: 2025-07-03
+  validation: 2025-08-05
+  posted: 2025-08-05
 categories:
   - containers
 ---
@@ -49,4 +49,8 @@ Example commands:
 * Migrate a specific pool of a cluster to new images:
     ```
     scw k8s pool migrate-to-new-images cluster-id=11111111-1111-1111-1111-111111111111 pools.0=22222222-2222-2222-2222-222222222222
+    ```
+* Create a new pool that uses the new images:
+    ```
+    scw k8s cluster create name=foo pools.0.name=bar pools.0.tags.0=scw-compute-image pools.0.size=1 pools.0.node-type=GP1-M
     ```