Fix latest button link

Author: t-book

index.html

@@ -25,7 +25,7 @@ <h1 class="fw-bold">Open Source Geospatial Content Management System</h1>
 			  </div>
         <div class="row demo-container">
           <div class="col-md-4">
-          <h4 class="demo-btn maint"><a href="https://github.com/GeoNode/geonode/releases/tag/4.2.3" target="_blank">Latest version</a></h4>
+          <h4 class="demo-btn maint"><a href="https://github.com/GeoNode/geonode/releases/tag/4.2.4" target="_blank">Latest version</a></h4>
           <span><a href="https://github.com/GeoNode/geonode/releases/tag/4.2.4" target="_blank">4.2.4</a></span>
         </div>
         <div class="col-md-4">