Replace CRI-O incubator links. (#16698)

Update CRI-O links from Kubernetes incubator to the official CRI-O
homepage. Most links were already updated, but there were a few
stragglers in minikube documentation and old blog posts.

content/ja/docs/setup/independent/install-kubeadm.md

@@ -92,7 +92,7 @@ The container runtime used by default is Docker, which is enabled through the bu
 Other CRI-based runtimes include:
 
 - [containerd](https://github.com/containerd/cri) (CRI plugin built into containerd)
-- [cri-o](https://github.com/kubernetes-incubator/cri-o)
+- [cri-o](https://cri-o.io/)
 - [frakti](https://github.com/kubernetes/frakti)
 
 Refer to the [CRI installation instructions](/docs/setup/cri) for more information.

content/ja/docs/setup/minikube.md

@@ -18,7 +18,7 @@ Minikubeはローカル環境でKubernetesを簡単に実行するためのツ
   * NodePorts
   * ConfigMapsとSecrets
   * ダッシュボード
-  * コンテナランタイム: Docker, [rkt](https://github.com/rkt/rkt), [CRI-O](https://github.com/kubernetes-incubator/cri-o), [containerd](https://github.com/containerd/containerd)
+  * コンテナランタイム: Docker, [rkt](https://github.com/rkt/rkt), [CRI-O](https://cri-o.io/), [containerd](https://github.com/containerd/containerd)
   * CNI (Container Network Interface) の有効化
   * Ingress