Add 3.6.1 et al announcement.

Signed-off-by: Ilya Maximets <i.maximets@ovn.org>

Author: igsilya

_includes/side-widgets.html

@@ -4,6 +4,9 @@
   </div>
   <div class="widget-body">
     <ul>
+      <li>
+        <a href=https://mail.openvswitch.org/pipermail/ovs-announce/2025-November/000384.html>Nov 14 2025: Open vSwitch 3.6.1 and 3.3.7 are available</a>
+      </li>
       <li>
         <a href=https://mail.openvswitch.org/pipermail/ovs-announce/2025-September/000375.html>Sep 03 2025: OVS+OVN '25: Deadline Extension</a>
       </li>
@@ -76,9 +79,6 @@
       <li>
         <a href=https://mail.openvswitch.org/pipermail/ovs-announce/2023-February/000315.html>Feb 16 2023: Open vSwitch 3.1.0 is Available</a>
       </li>
-      <li>
-        <a href=https://mail.openvswitch.org/pipermail/ovs-announce/2022-December/000313.html>Dec 20 2022: [ADVISORY] LLDP underflow while parsing malformed Auto Attach TLV</a>
-      </li>
     </ul>
   </div>
 </div>