move upgrade note to 4.1

docs/upgrade.html

@@ -19,6 +19,13 @@
 
 <script id="upgrade-template" type="text/x-handlebars-template">
 
+<h4><a id="upgrade_4_1_0" href="#upgrade_4_1_0">Upgrading to 4.1.0 from any version 0.8.x through 3.9.x</a></h4>
+    <h5><a id="upgrade_410_notable" href="#upgrade_410_notable">Notable changes in 4.1.0</a></h5>
+    <ul>
+        <li>The <code>control.plane.listener.name</code> config was removed use <code>controller.listener.names</code> instead.
+        </li>
+    </ul>
+
 <h4><a id="upgrade_4_0_0" href="#upgrade_4_0_0">Upgrading to 4.0.0 from any version 0.8.x through 3.9.x</a></h4>
     <h5><a id="upgrade_400_notable" href="#upgrade_400_notable">Notable changes in 4.0.0</a></h5>
     <ul>
@@ -65,8 +72,6 @@ <h5><a id="upgrade_400_notable" href="#upgrade_400_notable">Notable changes in 4
                         </li>
                         <li>The function <code>onNewBatch</code> in <code>org.apache.kafka.clients.producer.Partitioner</code> class was removed.
                         </li>
-                        <li>The <code>control.plane.listener.name</code> config was removed use <code>controller.listener.names</code> instead.
-                        </li>
                     </ul>
                 </li>
                 <li><b>Broker</b>