Merge pull request #42325 from zou-weidong/patch-format

[zh]Add spaces to fix format error .

Author: k8s-ci-robot

content/zh-cn/docs/reference/config-api/kubelet-config.v1beta1.md

@@ -322,7 +322,7 @@ anonymous:
  enabled: false
 webhook:
  enabled: true
-cacheTTL: "2m"
+ cacheTTL: "2m"
 </pre></code></p>
 </td>
 </tr>