proper class for Laravel 9 mailer

src/CreatesMailers.php

@@ -82,7 +82,7 @@ protected function createLaravel9Mailer($app)
         // Once we have create the mailer instance, we will set a container instance
         // on the mailer. This allows us to resolve mailer classes via containers
         // for maximum testability on said classes instead of passing Closures.
-        $mailer = new Laravel7Mailer(
+        $mailer = new Laravel9Mailer(
             'smtp',
             $app['view'],
             $symfonyTransport,

src/Laravel9Mailer.php

@@ -0,0 +1,10 @@
+<?php
+
+namespace BeyondCode\HeloLaravel;
+
+use Illuminate\Contracts\Mail\Factory as MailFactory;
+use Illuminate\Contracts\Mail\Mailer as MailerContract;
+
+class Laravel9Mailer extends Laravel7Mailer implements MailerContract, MailFactory
+{
+}