[kube-ovn] update version to 1.12.21

Signed-off-by: Mengxin Liu <liumengxinfly@gmail.com>

README.md

@@ -170,7 +170,7 @@ Note: Upstart/SysV init based OS types are not supported.
   - [calico](https://github.com/projectcalico/calico) v3.27.3
   - [cilium](https://github.com/cilium/cilium) v1.15.4
   - [flannel](https://github.com/flannel-io/flannel) v0.22.0
-  - [kube-ovn](https://github.com/alauda/kube-ovn) v1.11.5
+  - [kube-ovn](https://github.com/alauda/kube-ovn) v1.12.21
   - [kube-router](https://github.com/cloudnativelabs/kube-router) v2.0.0
   - [multus](https://github.com/k8snetworkplumbingwg/multus-cni) v3.8
   - [weave](https://github.com/rajch/weave) v2.8.7

roles/kubespray-defaults/defaults/main/download.yml

@@ -120,7 +120,7 @@ cilium_version: "v1.15.4"
 cilium_cli_version: "v0.16.0"
 cilium_enable_hubble: false
 
-kube_ovn_version: "v1.11.5"
+kube_ovn_version: "v1.12.21"
 kube_ovn_dpdk_version: "19.11-{{ kube_ovn_version }}"
 kube_router_version: "v2.0.0"
 multus_version: "v3.8"
@@ -275,6 +275,8 @@ cilium_hubble_envoy_image_repo: "{{ docker_image_repo }}/envoyproxy/envoy"
 cilium_hubble_envoy_image_tag: "v1.22.5"
 kube_ovn_container_image_repo: "{{ docker_image_repo }}/kubeovn/kube-ovn"
 kube_ovn_container_image_tag: "{{ kube_ovn_version }}"
+kube_ovn_vpc_container_image_repo: "{{ docker_image_repo }}/kubeovn/vpc-nat-gateway"
+kube_ovn_vpc_container_image_tag: "{{ kube_ovn_version }}"
 kube_ovn_dpdk_container_image_repo: "{{ docker_image_repo }}/kubeovn/kube-ovn-dpdk"
 kube_ovn_dpdk_container_image_tag: "{{ kube_ovn_dpdk_version }}"
 kube_router_image_repo: "{{ docker_image_repo }}/cloudnativelabs/kube-router"