Switch local setup to PHP8.5

Also pull in config changes from upstream laravel/laravel

config/mail.php

@@ -30,7 +30,8 @@ return [
     | your mailers below. You may also add additional mailers if needed.
     |
     | Supported: "smtp", "sendmail", "mailgun", "ses", "ses-v2",
-    |            "postmark", "log", "array", "failover", "roundrobin"
+    |            "postmark", "resend", "log", "array",
+    |            "failover", "roundrobin"
     |
     */
 
@@ -45,7 +46,7 @@ return [
             'username' => env('MAIL_USERNAME'),
             'password' => env('MAIL_PASSWORD'),
             'timeout' => null,
-            'local_domain' => env('MAIL_EHLO_DOMAIN', parse_url(env('APP_URL', 'http://localhost'), PHP_URL_HOST)),
+            'local_domain' => env('MAIL_EHLO_DOMAIN', parse_url((string) env('APP_URL', 'http://localhost'), PHP_URL_HOST)),
         ],
 
         'ses' => [
@@ -60,6 +61,10 @@ return [
             // ],
         ],
 
+        'resend' => [
+            'transport' => 'resend',
+        ],
+
         'sendmail' => [
             'transport' => 'sendmail',
             'path' => env('MAIL_SENDMAIL_PATH', '/usr/sbin/sendmail -bs -i'),
@@ -80,6 +85,16 @@ return [
                 'smtp',
                 'log',
             ],
+            'retry_after' => 60,
+        ],
+
+        'roundrobin' => [
+            'transport' => 'roundrobin',
+            'mailers' => [
+                'ses',
+                'postmark',
+            ],
+            'retry_after' => 60,
         ],
 
     ],