Upgrade Laravel to 10.0.0

config/services.php

@@ -18,6 +18,7 @@
         'domain' => env('MAILGUN_DOMAIN'),
         'secret' => env('MAILGUN_SECRET'),
         'endpoint' => env('MAILGUN_ENDPOINT', 'api.mailgun.net'),
+        'scheme' => 'https',
     ],
 
     'postmark' => [
@@ -30,4 +31,4 @@
         'region' => env('AWS_DEFAULT_REGION', 'us-east-1'),
     ],
 
-];
+];