Upgrade fontawesome v5 to v6

docs/60_Components/Infobox.md

@@ -32,7 +32,7 @@ Content:
 
 Key           | Description
 ---           | ---
-icon          | icon css class; eg. fontawesome "far fa-thumbs-up"
+icon          | icon css class; eg. fontawesome "fa-regular fa-thumbs-up"
 text          | visible text
 number        | Value as string, eg. to format large integers
 progressvalue | optional: integer: progress bar; range: 0..100
@@ -45,7 +45,7 @@ $renderAdminLTE->getInfobox(array (
   'type' => 'success',
   'bgcolor' => '',
   'shadow' => '',
-  'icon' => 'far fa-thumbs-up',
+  'icon' => 'fa-regular fa-thumbs-up',
   'text' => 'Likes',
   'number' => '41,410',
   'progressvalue' => 70,