Bump tailwindcss from 4.2.2 to 4.3.0

Bumps [tailwindcss](https://github.com/tailwindlabs/tailwindcss/tree/HEAD/packages/tailwindcss) from 4.2.2 to 4.3.0.
- [Release notes](https://github.com/tailwindlabs/tailwindcss/releases)
- [Changelog](https://github.com/tailwindlabs/tailwindcss/blob/main/CHANGELOG.md)
- [Commits](https://github.com/tailwindlabs/tailwindcss/commits/v4.3.0/packages/tailwindcss)

---
updated-dependencies:
- dependency-name: tailwindcss
  dependency-version: 4.3.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

frontend/package.json

@@ -39,7 +39,7 @@
     "@types/react-dom": "^19.0.0",
     "@vitejs/plugin-react": "^6.0.1",
     "@vitest/ui": "^4.1.5",
-    "tailwindcss": "^4.0.0",
+    "tailwindcss": "^4.3.0",
     "typescript": "~5.7.0",
     "vite": "^8.0.11",
     "vitest": "^4.1.5"