Automator: update istio.io@ reference docs (#16369)

Author: istio-testing

content/en/docs/reference/commands/istioctl/index.html

@@ -7902,6 +7902,12 @@ <h2 id="envvars">Environment variables</h2>
 <td>If enabled, status messages for ambient mode will be written to resources. Currently, this does not do leader election, so may be unsafe to enable with multiple replicas.</td>
 </tr>
 <tr>
+<td><code>AUTO_GKE_DETECTION</code></td>
+<td>Boolean</td>
+<td><code>true</code></td>
+<td>If true, GKE will be detected automatically.</td>
+</tr>
+<tr>
 <td><code>BYPASS_OVERLOAD_MANAGER_FOR_STATIC_LISTENERS</code></td>
 <td>Boolean</td>
 <td><code>true</code></td>

content/zh/docs/reference/commands/istioctl/index.html

@@ -7902,6 +7902,12 @@ <h2 id="envvars">Environment variables</h2>
 <td>If enabled, status messages for ambient mode will be written to resources. Currently, this does not do leader election, so may be unsafe to enable with multiple replicas.</td>
 </tr>
 <tr>
+<td><code>AUTO_GKE_DETECTION</code></td>
+<td>Boolean</td>
+<td><code>true</code></td>
+<td>If true, GKE will be detected automatically.</td>
+</tr>
+<tr>
 <td><code>BYPASS_OVERLOAD_MANAGER_FOR_STATIC_LISTENERS</code></td>
 <td>Boolean</td>
 <td><code>true</code></td>