Fixes datlechin#28

Fixes:
SQLSTATE[HY000]: General error: 1 no such table: main.parents (Connection: sqlite, SQL: insert into "menu_items" ("title", "url", "order", "menu_id", "updated_at", "created_at") values (Dashboard, http://127.0.0.1:8000, 1, 1, 2024-09-08 16:54:09, 2024-09-08 16:54:09))

database/migrations/create_menus_table.php.stub

@@ -20,7 +20,7 @@ return new class extends Migration
         Schema::create(config('filament-menu-builder.tables.menu_items'), function (Blueprint $table) {
             $table->id();
             $table->foreignIdFor(Menu::class)->constrained()->cascadeOnDelete();
-            $table->foreignIdFor(Menu::class, 'parent_id')->nullable()->constrained()->nullOnDelete();
+            $table->foreignIdFor(Menu::class, 'parent_id')->nullable()->constrained($table->getTable())->nullOnDelete();
             $table->nullableMorphs('linkable');
             $table->string('title');
             $table->string('url')->nullable();