chore(deps-dev): bump @testing-library/jest-dom from 6.6.3 to 6.6.4 (#217)

Bumps [@testing-library/jest-dom](https://github.com/testing-library/jest-dom) from 6.6.3 to 6.6.4.
- [Release notes](https://github.com/testing-library/jest-dom/releases)
- [Changelog](https://github.com/testing-library/jest-dom/blob/main/CHANGELOG.md)
- [Commits](testing-library/jest-dom@v6.6.3...v6.6.4)

---
updated-dependencies:
- dependency-name: "@testing-library/jest-dom"
  dependency-version: 6.6.4
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]

packages/frontend/package.json

@@ -28,7 +28,7 @@
     "@sveltejs/vite-plugin-svelte": "5.1.0",
     "@tailwindcss/typography": "^0.5.14",
     "@testing-library/dom": "^10.4.1",
-    "@testing-library/jest-dom": "^6.4.8",
+    "@testing-library/jest-dom": "^6.6.4",
     "@testing-library/svelte": "^5.2.8",
     "@testing-library/user-event": "^14.6.1",
     "@tsconfig/svelte": "^5.0.4",