Use afterEach from vitest for consistency (#2908)

This slipped through the PR review. Whilst not harmful, for consistency we use it from vitest.

src/Modal.test.tsx

@@ -5,10 +5,9 @@ SPDX-License-Identifier: AGPL-3.0-only
 Please see LICENSE in the repository root for full details.
 */
 
-import { expect, test } from "vitest";
+import { expect, test, afterEach } from "vitest";
 import { render } from "@testing-library/react";
 import { type ReactNode, useState } from "react";
-import { afterEach } from "node:test";
 import userEvent from "@testing-library/user-event";
 
 import { Modal } from "./Modal";