Upgrade to Laravel 10

app/Http/Kernel.php

@@ -213,7 +213,7 @@ class Kernel extends HttpKernel
      *
      * @var array
      */
-    protected $routeMiddleware
+    protected $middlewareAliases
         = [
             'auth'       => Authenticate::class,
             'auth.basic' => AuthenticateWithBasicAuth::class,

app/Providers/AuthServiceProvider.php

@@ -65,7 +65,6 @@ class AuthServiceProvider extends ServiceProvider
             }
         );
 
-        $this->registerPolicies();
         Passport::tokensExpireIn(now()->addDays(14));
     }
 }