Sync #16611 fix indentation of annotation into Chinese (#16618)

Author: wilsonwu

content/zh/docs/tasks/traffic-management/ingress/gateway-api/index.md

@@ -237,7 +237,7 @@ data:
   deployment: |
     metadata:
       annotations:
-      additional-annotation: some-value
+        additional-annotation: some-value
     spec:
       replicas: 4
       template: