fix: use proper middleware for Anti-Crawler header to avoid TypeError

bootstrap/app.php

@@ -19,12 +19,7 @@ return Application::configure(basePath: dirname(__DIR__))
             'admin' => \App\Http\Middleware\AdminMiddleware::class,
         ]);
         
-        // Anti-crawler header
-        $middleware->append(function ($request, $next) {
-            $response = $next($request);
-            $response->headers->set('X-Robots-Tag', 'noindex, nofollow, noarchive');
-            return $response;
-        });
+        $middleware->append(\App\Http\Middleware\AntiCrawlerMiddleware::class);
     })
     ->withExceptions(function (Exceptions $exceptions): void {
         //