chore(deps-dev): bump @ember/test-helpers from 4.0.5 to 5.1.0

Bumps [@ember/test-helpers](https://github.com/emberjs/ember-test-helpers) from 4.0.5 to 5.1.0.
- [Release notes](https://github.com/emberjs/ember-test-helpers/releases)
- [Changelog](https://github.com/emberjs/ember-test-helpers/blob/master/CHANGELOG.md)
- [Commits](https://github.com/emberjs/ember-test-helpers/commits)

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

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pnpm-lock.yaml

@@ -31,7 +31,7 @@
     "@babel/core": "^7.26.9",
     "@babel/eslint-parser": "^7.26.8",
     "@ember/optional-features": "^2.2.0",
-    "@ember/test-helpers": "^4.0.5",
+    "@ember/test-helpers": "^5.1.0",
     "@embroider/test-setup": "^4.0.0",
     "@eslint/js": "^9.21.0",
     "@glimmer/component": "^1.1.2",