build(deps-dev): Bump @embroider/test-setup from 3.0.3 to 4.0.0 (#2056)

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-version: 4.0.0
  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>

Author: dependabot[bot]

pnpm-lock.yaml

@@ -49,7 +49,7 @@
     "@embroider/compat": "^3.8.5",
     "@embroider/core": "^3.5.5",
     "@embroider/macros": "^1.17.1",
-    "@embroider/test-setup": "^3.0.1",
+    "@embroider/test-setup": "^4.0.0",
     "@embroider/webpack": "^4.1.0",
     "@eslint/js": "^9.23.0",
     "@glimmer/component": "^2.0.0",