[zh] sync tools\kubeadm\install-kubeadm.md

Author: ydFu

content/zh-cn/docs/setup/production-environment/tools/kubeadm/install-kubeadm.md

@@ -288,7 +288,7 @@ For more information on version skews, see:
 2. 下载 Google Cloud 公开签名秘钥：
 
    ```shell
-   curl -fsSL https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo gpg --dearmor -o /etc/apt/keyrings/kubernetes-archive-keyring.gpg
+   curl -fsSL https://dl.k8s.io/apt/doc/apt-key.gpg | sudo gpg --dearmor -o /etc/apt/keyrings/kubernetes-archive-keyring.gpg
    ```
 
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