chore(deps-dev): bump prettier-plugin-tailwindcss in /frontend

Bumps [prettier-plugin-tailwindcss](https://github.com/tailwindlabs/prettier-plugin-tailwindcss) from 0.6.6 to 0.6.8.
- [Release notes](https://github.com/tailwindlabs/prettier-plugin-tailwindcss/releases)
- [Changelog](https://github.com/tailwindlabs/prettier-plugin-tailwindcss/blob/main/CHANGELOG.md)
- [Commits](https://github.com/tailwindlabs/prettier-plugin-tailwindcss/compare/v0.6.6...v0.6.8)

---
updated-dependencies:
- dependency-name: prettier-plugin-tailwindcss
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

frontend/package.json

@@ -58,7 +58,7 @@
     "lint-staged": "^15.2.10",
     "postcss": "^8.4.41",
     "prettier": "^3.3.3",
-    "prettier-plugin-tailwindcss": "^0.6.6",
+    "prettier-plugin-tailwindcss": "^0.6.8",
     "tailwindcss": "^3.4.11",
     "typescript": "^5.6.2",
     "vite": "^5.4.6",