SalarioSeeder en Laravel 9

SalarioSeeder.php

<?php

namespace Database\Seeders;

use Illuminate\Database\Seeder;
use Illuminate\Support\Facades\DB;
use Illuminate\Database\Console\Seeds\WithoutModelEvents;

class SalarioSeeder extends Seeder
{
    /**
     * Run the database seeds.
     *
     * @return void
     */
    public function run()
    {
        DB::table('salarios')->insert([
            'salario' => '$0 - $499',
            'created_at' => date('Y-m-d H:i:s'),
            'updated_at' => date('Y-m-d H:i:s'),
        ]);

        DB::table('salarios')->insert([
            'salario' => '$500 - $749',
            'created_at' => date('Y-m-d H:i:s'),
            'updated_at' => date('Y-m-d H:i:s'),
        ]);

        DB::table('salarios')->insert([
            'salario' => '$750 - $999',
            'created_at' => date('Y-m-d H:i:s'),
            'updated_at' => date('Y-m-d H:i:s'),
        ]);

        DB::table('salarios')->insert([
            'salario' => '$1000 - $1499',
            'created_at' => date('Y-m-d H:i:s'),
            'updated_at' => date('Y-m-d H:i:s'),
        ]);

        DB::table('salarios')->insert([
            'salario' => '$1500 - $1999',
            'created_at' => date('Y-m-d H:i:s'),
            'updated_at' => date('Y-m-d H:i:s'),
        ]);

        DB::table('salarios')->insert([
            'salario' => '$2000 - $2499',
            'created_at' => date('Y-m-d H:i:s'),
            'updated_at' => date('Y-m-d H:i:s'),
        ]);

        DB::table('salarios')->insert([
            'salario' => '$2500 - $2999',
            'created_at' => date('Y-m-d H:i:s'),
            'updated_at' => date('Y-m-d H:i:s'),
        ]);

        DB::table('salarios')->insert([
            'salario' => '$3000 - $4999',
            'created_at' => date('Y-m-d H:i:s'),
            'updated_at' => date('Y-m-d H:i:s'),
        ]);

        DB::table('salarios')->insert([
            'salario' => '+$5000',
            'created_at' => date('Y-m-d H:i:s'),
            'updated_at' => date('Y-m-d H:i:s'),
        ]);
    }
}

ya voy por la clase 190 del curso de laravel 9