update FontAwsome to v7.1

Author: MacFan4000

index.php

@@ -44,7 +44,7 @@
         rel="stylesheet">
 
     <!-- Icon Font Stylesheet -->
-    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css"
+    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.7.1/css/all.min.css"
         integrity="sha384-iw3OoTErCYJJB9mCa8LNS2hbsQ7M3C0EpIsO/H5+EGAkPGc6rk+V8i04oW/K5xq0" crossorigin="anonymous">
 
     <!-- Customized Bootstrap Stylesheet -->