Update app.stub (#248)

fonts.bunny.net should be prefetched instead of google fonts one.

Author: tommica

src/Auth/bootstrap-stubs/layouts/app.stub

@@ -10,7 +10,7 @@
     <title>{{ config('app.name', 'Laravel') }}</title>
 
     <!-- Fonts -->
-    <link rel="dns-prefetch" href="//fonts.gstatic.com">
+    <link rel="dns-prefetch" href="//fonts.bunny.net">
     <link href="https://fonts.bunny.net/css?family=Nunito" rel="stylesheet">
 
     <!-- Scripts -->