fix: add aria-label for role=dialog (accessibility)

Fixes: #338

Resources/Private/Layouts/PopupLayout.html

@@ -30,7 +30,7 @@
 <div id="cookieman-modal"
      data-cookieman-showonce="{isShowOnce}"
      data-cookieman-settings="{f:format.json(value: '{groups: settings.groups, trackingObjects: settings.trackingObjects}')}"
-     class="modal fade" tabindex="-1" role="dialog"
+     class="modal fade" tabindex="-1" role="dialog" aria-label="Cookie Dialog"
 >
     <f:render section="Content"/>
 </div>