Bump @testing-library/jest-dom from 6.5.0 to 6.6.1 in /frontend

Bumps [@testing-library/jest-dom](https://github.com/testing-library/jest-dom) from 6.5.0 to 6.6.1.
- [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@v6.5.0...v6.6.1)

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

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

frontend/package.json

@@ -54,7 +54,7 @@
     "@babel/core": "^7.25.2",
     "@next/eslint-plugin-next": "^14.2.3",
     "@testing-library/dom": "^10.4.0",
-    "@testing-library/jest-dom": "^6.5.0",
+    "@testing-library/jest-dom": "^6.6.1",
     "@testing-library/react": "^16.0.0",
     "@testing-library/user-event": "^14.5.1",
     "@trivago/prettier-plugin-sort-imports": "^4.3.0",

frontend/yarn.lock

@@ -1095,10 +1095,10 @@
     lz-string "^1.5.0"
     pretty-format "^27.0.2"
 
-"@testing-library/jest-dom@^6.5.0":
-  version "6.5.0"
-  resolved "https://registry.yarnpkg.com/@testing-library/jest-dom/-/jest-dom-6.5.0.tgz#50484da3f80fb222a853479f618a9ce5c47bfe54"
-  integrity sha512-xGGHpBXYSHUUr6XsKBfs85TWlYKpTc37cSBBVrXcib2MkHLboWlkClhWF37JKlDb9KEq3dHs+f2xR7XJEWGBxA==
+"@testing-library/jest-dom@^6.6.1":
+  version "6.6.1"
+  resolved "https://registry.yarnpkg.com/@testing-library/jest-dom/-/jest-dom-6.6.1.tgz#835612c9d8c529c835b15bbc1d1a924310c6c73c"
+  integrity sha512-mNYIiAuP4yJwV2zBRQCV7PHoQwbb6/8TfMpPcwSUzcSVDJHWOXt6hjNtIN1v5knDmimYnjJxKhsoVd4LVGIO+w==
   dependencies:
     "@adobe/css-tools" "^4.4.0"
     aria-query "^5.0.0"