Merge pull request #4315 from k0sproject/backport-4314-to-release-1.28

[Backport release-1.28] Bump kube-router to v1.6.1

Author: twz123

pkg/constant/constant_shared.go

@@ -88,7 +88,7 @@ const (
 	CalicoNodeImage                    = "quay.io/k0sproject/calico-node"
 	KubeControllerImage                = "quay.io/k0sproject/calico-kube-controllers"
 	KubeRouterCNIImage                 = "quay.io/k0sproject/kube-router"
-	KubeRouterCNIImageVersion          = "v1.6.0-iptables1.8.9-1"
+	KubeRouterCNIImageVersion          = "v1.6.1-iptables1.8.9-0"
 	KubeRouterCNIInstallerImage        = "quay.io/k0sproject/cni-node"
 	KubeRouterCNIInstallerImageVersion = "1.1.1-k0s.1"
 	OpenEBSRepository                  = "https://openebs.github.io/charts"