Set Kube-router version to 1.2.0 (#7402)

See: `https://github.com/cloudnativelabs/kube-router/releases/tag/v1.2.0`

README.md

@@ -140,7 +140,7 @@ Note: Upstart/SysV init based OS types are not supported.
   - [cilium](https://github.com/cilium/cilium) v1.8.8
   - [flanneld](https://github.com/coreos/flannel) v0.13.0
   - [kube-ovn](https://github.com/alauda/kube-ovn) v1.6.1
-  - [kube-router](https://github.com/cloudnativelabs/kube-router) v1.1.1
+  - [kube-router](https://github.com/cloudnativelabs/kube-router) v1.2.0
   - [multus](https://github.com/intel/multus-cni) v3.7.0
   - [ovn4nfv](https://github.com/opnfv/ovn4nfv-k8s-plugin) v1.1.0
   - [weave](https://github.com/weaveworks/weave) v2.8.1

roles/download/defaults/main.yml

@@ -79,7 +79,7 @@ weave_version: 2.8.1
 pod_infra_version: "3.3"
 cilium_version: "v1.8.8"
 kube_ovn_version: "v1.6.1"
-kube_router_version: "v1.1.1"
+kube_router_version: "v1.2.0"
 multus_version: "v3.7"
 ovn4nfv_ovn_image_version: "v1.0.0"
 ovn4nfv_k8s_plugin_image_version: "v1.1.0"