chore(deps-dev): bump @embroider/test-setup from 3.0.3 to 4.0.0 (#1145)

Bumps [@embroider/test-setup](https://github.com/embroider-build/embroider/tree/HEAD/packages/test-setup) from 3.0.3 to 4.0.0.
- [Release notes](https://github.com/embroider-build/embroider/releases)
- [Changelog](https://github.com/embroider-build/embroider/blob/main/CHANGELOG.md)
- [Commits](https://github.com/embroider-build/embroider/commits/HEAD/packages/test-setup)

---
updated-dependencies:
- dependency-name: "@embroider/test-setup"
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

package.json

@@ -54,7 +54,7 @@
     "@ember/optional-features": "2.1.0",
     "@ember/string": "3.1.1",
     "@ember/test-helpers": "3.3.0",
-    "@embroider/test-setup": "3.0.3",
+    "@embroider/test-setup": "4.0.0",
     "@fortawesome/ember-fontawesome": "2.0.0",
     "@fortawesome/fontawesome-svg-core": "6.5.2",
     "@fortawesome/free-solid-svg-icons": "6.5.1",