chore(deps-dev): bump @testing-library/svelte from 5.3.1 to 5.4.1

Bumps [@testing-library/svelte](https://github.com/testing-library/svelte-testing-library/tree/HEAD/packages/svelte) from 5.3.1 to 5.4.1.
- [Release notes](https://github.com/testing-library/svelte-testing-library/releases)
- [Changelog](https://github.com/testing-library/svelte-testing-library/blob/main/CHANGELOG.md)
- [Commits](https://github.com/testing-library/svelte-testing-library/commits/@testing-library/svelte@5.4.1/packages/svelte)

---
updated-dependencies:
- dependency-name: "@testing-library/svelte"
  dependency-version: 5.4.1
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

packages/frontend/package.json

@@ -32,7 +32,7 @@
     "@tailwindcss/vite": "^4.3.1",
     "@testing-library/dom": "^10.4.0",
     "@testing-library/jest-dom": "^6.8.0",
-    "@testing-library/svelte": "^5.3.1",
+    "@testing-library/svelte": "^5.4.1",
     "@testing-library/user-event": "^14.6.1",
     "@tsconfig/svelte": "^5.0.8",
     "@types/humanize-duration": "^3.27.4",