Fix type

Author: stevebauman

src/Commands/HandleMessageReceived.php

@@ -4,6 +4,8 @@
 
 use DirectoryTree\ImapEngine\Laravel\Events\MessageReceived;
 use DirectoryTree\ImapEngine\MessageInterface;
+use Illuminate\Support\Carbon;
+use Illuminate\Support\Facades\Date;
 use Illuminate\Support\Facades\Event;
 
 class HandleMessageReceived
@@ -14,7 +16,7 @@ class HandleMessageReceived
     public function __construct(
         protected WatchMailbox $command,
         protected int &$attempts,
-        protected ?int &$lastReceivedAt = null,
+        protected ?Carbon &$lastReceivedAt = null,
     ) {}
 
     /**
@@ -28,7 +30,7 @@ public function __invoke(MessageInterface $message): void
 
         $this->attempts = 0;
 
-        $this->lastReceivedAt = time();
+        $this->lastReceivedAt = Date::now();
 
         Event::dispatch(new MessageReceived($message));
     }