Use apiversion networking.k8s.io/v1 for ingress in ZH version

There is a warning deprecation message for kubernetes v1.19:

```
Warning: networking.k8s.io/v1beta1 Ingress is deprecated in v1.19+, unavailable in v1.22+; use networking.k8s.io/v1 Ingress
```

Switched apiversion in the example to `networking.k8s.io/v1`

content/zh/docs/tasks/access-application-cluster/ingress-minikube.md

@@ -198,7 +198,7 @@ The following file is an Ingress resource that sends traffic to your Service via
 1. 根据下面的 YAML 创建文件 `example-ingress.yaml`：
 
    ```yaml
-   apiVersion: networking.k8s.io/v1beta1
+   apiVersion: networking.k8s.io/v1
    kind: Ingress
    metadata:
      name: example-ingress
@@ -210,9 +210,12 @@ The following file is an Ingress resource that sends traffic to your Service via
        http:
          paths:
          - path: /
+           pathType: Prefix
            backend:
-             serviceName: web
+             service:
-             servicePort: 8080
+               name: web
+               port:
+                 number: 8080
    ```
 
 <!--
@@ -243,8 +246,8 @@ The following file is an Ingress resource that sends traffic to your Service via
    {{< note >}}此操作可能需要几分钟时间。{{< /note >}}
 
    ```shell
-   NAME              HOSTS              ADDRESS       PORTS     AGE
+   NAME              CLASS    HOSTS              ADDRESS        PORTS   AGE
-   example-ingress   hello-world.info   172.17.0.15   80        38s
+   example-ingress   <none>   hello-world.info   172.17.0.15    80      38s
    ```
 
 <!--
@@ -338,9 +341,12 @@ The following file is an Ingress resource that sends traffic to your Service via
 
    ```yaml
      - path: /v2
+       pathType: Prefix
        backend:
-         serviceName: web2
+         service:
-         servicePort: 8080
+           name: web2
+           port:
+             number: 8080
    ```
 
 <!--