Update GPG Key for kubectl install

Author: dipesh-rawat

content/en/docs/tasks/tools/install-kubectl-linux.md

@@ -157,7 +157,7 @@ The following methods exist for installing kubectl on Linux:
 2. Download the Google Cloud public signing key:
 
    ```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://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo gpg --dearmor -o /etc/apt/keyrings/kubernetes-archive-keyring.gpg
    ```
 
 3. Add the Kubernetes `apt` repository: