Api group 404 not found

| Q | A
| ----------------- | ---
| Bug? | yes
| New Feature? | no
| Framework | Laravel
| Framework version | 8.12
| Package version | 3.0.5
| PHP version | 8.0.1

1223/5000
### Actual behavior

api.php

$api = app('Dingo\Api\Routing\Router');

$api->group(["version"=>"v1","namespace"=>"\App\Http\Controllers\Admin","prefix"=>"admin"], function ($api) {

$api->get("login","LoginController@login")->name("admin.login");

});

404 not found

sail@caca0a954c1f:/var/www/html$ php artisan api:routes

+------+----------+-------------+-------------+--------------------------------------------------+-----------+------------+----------+------------+

| Host | Method | URI | Name | Action | Protected | Version(s) | Scope(s) | Rate Limit |

+------+----------+-------------+-------------+--------------------------------------------------+-----------+------------+----------+------------+

| | GET|HEAD | admin/login | admin.login | App\Http\Controllers\Admin\LoginController@login | No | v1 | | |

+------+----------+-------------+-------------+--------------------------------------------------+-----------+------------+----------+------------+