api_docs: Fix missing changes entry for status endpoint.

715d07c231 was missing an API feature
level change.

api_docs/changelog.md

@@ -161,6 +161,9 @@ format used by the Zulip server that they are interacting with.
   `can_delete_own_message_group` parameter to support setting and
   changing the user group whose members can delete the messages they have sent
   in the channel.
+- [`POST /users/{user_id}/status`](/api/update-status-for-user): Added
+  new API endpoint for an administrator to update the status for
+  another user.
 
 **Feature level 406**
 

zerver/openapi/zulip.yaml

@@ -10600,6 +10600,8 @@ paths:
       description: |
         Administrator endpoint for changing the [status](/help/status-and-availability) of
         another user.
+
+        **Changes**: New in Zulip 11.0 (feature level 407).
       x-requires-administrator: true
       requestBody:
         required: false