[zh-cn] sync1.25 ephemeral-containers.md

Author: jzhupup

content/zh-cn/docs/concepts/workloads/pods/ephemeral-containers.md

@@ -12,7 +12,7 @@ weight: 80
 
 <!-- overview -->
 
-{{< feature-state state="beta" for_k8s_version="v1.23" >}}
+{{< feature-state state="stable" for_k8s_version="v1.25" >}}
 
 <!--
 This page provides an overview of ephemeral containers: a special type of container