Bump qunit-dom from 3.3.0 to 3.4.0 (#1618)

Bumps [qunit-dom](https://github.com/mainmatter/qunit-dom) from 3.3.0 to 3.4.0.
- [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
...

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