Update kubelet-credential-provider.md

Author: yanrongshi

content/zh-cn/docs/tasks/kubelet-credential-provider/kubelet-credential-provider.md

@@ -13,7 +13,7 @@ description: Configure the kubelet's image credential provider plugin
 content_type: task
 -->
 
-{{< feature-state for_k8s_version="v1.20" state="alpha" >}}
+{{< feature-state for_k8s_version="v1.24" state="beta" >}}
 
 <!-- overview -->