location/database/seeders/LocationDatabaseSeeder.php

<?php

namespace Modules\Location\Database\Seeders;

use Illuminate\Database\Seeder;
use Modules\Location\Models\City;

class LocationDatabaseSeeder extends Seeder
{
    /**
     * Run the database seeds.
     */
    public function run(): void
    {
        $this->call([
            ProvinceSeeder::class,
            CitySeeder::class
        ]);
    }
}