upgrade k8s

Author: jiridanek

.github/actions/skupper-integration-tests/action.yml

@@ -44,7 +44,7 @@ runs:
 
       - name: Install microk8s
         run: |
-          sudo snap install microk8s --classic --channel=1.21/stable
+          sudo snap install microk8s --classic --channel=1.23/stable
           sudo microk8s enable dns ingress storage registry:size=20Gi host-access:ip=10.0.1.1 metallb:10.64.140.18-10.64.140.88
           sudo microk8s status --wait-ready
         shell: bash