fix: remove WithWorkbench Trait (not available for laravel 9)

tests/database/migrations/create_users_table.php

@@ -0,0 +1,27 @@
+<?php
+
+declare(strict_types=1);
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class () extends Migration {
+    public function up(): void
+    {
+        Schema::create('users', function (Blueprint $table): void {
+            $table->id();
+            $table->string('name');
+            $table->string('email')->unique();
+            $table->timestamp('email_verified_at')->nullable();
+            $table->string('password');
+            $table->rememberToken();
+            $table->timestamps();
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('users');
+    }
+};

tests/src/TestCase.php

@@ -6,14 +6,12 @@
 
 use Illuminate\Foundation\Testing\LazilyRefreshDatabase;
 use Laravelcm\Subscriptions\SubscriptionServiceProvider;
-use Orchestra\Testbench\Concerns\WithWorkbench;
 use Orchestra\Testbench\TestCase as BaseTestCase;
 use Tests\Models\User;
 
 abstract class TestCase extends BaseTestCase
 {
     use LazilyRefreshDatabase;
-    use WithWorkbench;
 
     protected function getPackageProviders($app): array
     {
@@ -24,8 +22,10 @@ protected function getPackageProviders($app): array
 
     protected function defineDatabaseMigrations(): void
     {
-        $this->loadLaravelMigrations();
-        $this->loadMigrationsFrom(__DIR__.'/../../database/migrations');
+        $this->loadMigrationsFrom([
+            __DIR__.'/../database/migrations',
+            __DIR__.'/../../database/migrations',
+        ]);
     }
 
     protected function getEnvironmentSetUp($app): void