build(deps-dev): bump qunit-dom from 3.1.2 to 3.2.1 in /app-frontend

Bumps [qunit-dom](https://github.com/mainmatter/qunit-dom) from 3.1.2 to 3.2.1.
- [Release notes](https://github.com/mainmatter/qunit-dom/releases)
- [Changelog](https://github.com/mainmatter/qunit-dom/blob/master/CHANGELOG.md)
- [Commits](https://github.com/mainmatter/qunit-dom/commits)

---
updated-dependencies:
- dependency-name: qunit-dom
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

app-frontend/package.json

@@ -60,7 +60,7 @@
     "loader.js": "^4.7.0",
     "prettier": "^3.3.2",
     "qunit": "^2.21.0",
-    "qunit-dom": "^3.1.2",
+    "qunit-dom": "^3.2.1",
     "tracked-built-ins": "^3.3.0",
     "webpack": "^5.94.0"
   },