Bump qunit-dom from 0.8.4 to 2.0.0

Bumps [qunit-dom](https://github.com/simplabs/qunit-dom) from 0.8.4 to 2.0.0.
- [Release notes](https://github.com/simplabs/qunit-dom/releases)
- [Changelog](https://github.com/simplabs/qunit-dom/blob/master/CHANGELOG.md)
- [Commits](mainmatter/qunit-dom@v0.8.4...v2.0.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -49,7 +49,7 @@
     "eslint-plugin-ember": "^8.14.0",
     "eslint-plugin-node": "^7.0.1",
     "loader.js": "^4.7.0",
-    "qunit-dom": "^0.8.0",
+    "qunit-dom": "^2.0.0",
     "wicg-inert": "^2.1.0"
   },
   "engines": {