Update banner to v2.11.0

Author: rotorman

overrides/main.html

@@ -4,6 +4,6 @@
 
 
 {% block announce %}
-  EdgeTX v2.10.6 has been released! Check out the release notes on Github - 
-  <a href="https://github.com/EdgeTX/edgetx/releases/tag/v2.10.6">  v2.10.6   </a>
+  EdgeTX v2.11.0 has been released! Check out the release notes on Github - 
+  <a href="https://github.com/EdgeTX/edgetx/releases/tag/v2.11.0">  v2.11.0   </a>
 {% endblock %}