Adds SRI check for the remote pusher asset

Themes/Adminlte/views/layouts/master.blade.php

@@ -90,7 +90,7 @@
 <script src="{{ mix('js/app.js') }}"></script>
 
 <?php if (is_module_enabled('Notification')): ?>
-    <script src="https://js.pusher.com/4.1/pusher.min.js"></script>
+    <script src="https://js.pusher.com/4.1.0/pusher.min.js" integrity="sha384-e9MoFh6Cw/uluf+NZ6MJwfJ1Dm7UOvJf9oTBxxCYDyStJeeAF0q53ztnEbLLDSQP" crossorigin="anonymous"></script>
     <script src="{{ Module::asset('notification:js/pusherNotifications.js') }}"></script>
     <script>
         $('.notifications-list').pusherNotifications({