Build(deps-dev): Bump qunit-dom from 3.0.0 to 3.1.2 (#2128)

Bumps [qunit-dom](https://github.com/mainmatter/qunit-dom) from 3.0.0 to 3.1.2.
- [Release notes](https://github.com/mainmatter/qunit-dom/releases)
- [Commits](mainmatter/qunit-dom@v3.0.0...v3.1.2)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -137,7 +137,7 @@
     "prettier": "^3.2.5",
     "prettier-plugin-ember-template-tag": "^2.0.2",
     "qunit": "^2.20.1",
-    "qunit-dom": "^3.0.0",
+    "qunit-dom": "^3.1.2",
     "release-it": "^16.3.0",
     "sinon": "^17.0.1",
     "stream-browserify": "^3.0.0",