Update email salutations/greetings

app/Notifications/AppointmentFinished.php

@@ -60,13 +60,13 @@ class AppointmentFinished extends Notification implements ShouldQueue
     public function toMail($notifiable)
     {
         return (new MailMessage)
-                    ->salutation("Hi " . $notifiable->name . ",")
+                    ->greeting("Hi " . $notifiable->name . ",")
                     ->from(config('notification.sender.address'), config('notification.sender.name'))
                     ->subject(config('app.name').' - appointment completed')
                     ->line('Your appointment has been marked as completed!')
                     ->line('Please allow an additional day for your application to be fully processed.')
                     ->action('View applications', url(route('showUserApps')))
-                    ->line('The team at ' . config('app.name'));
+                    ->salutation('The team at ' . config('app.name'));
 
     }