public function up(): void 	{ 		Schema::table('customers', static function (Blueprint $table): void { 			$table->string('address', 100)->nullable()->change(); 			$table->string('zip_code', 20)->nullable()->change(); 			$table->string('city', 50)->nullable()->change(); 			$table->string('country_code', 2)->nullable()->change(); 			$table->string('phone_number', 20)->nullable()->change(); 		}); 	}