chore(deps): update dependency tailwindcss to v4

Author: renovate[bot]

frontend/package.json

@@ -84,7 +84,7 @@
     "postcss": "^8",
     "prettier": "^3.3.3",
     "prettier-plugin-tailwindcss": "^0.6.8",
-    "tailwindcss": "^3.4.1",
+    "tailwindcss": "^4.0.0",
     "typescript": "^5",
     "worker-loader": "^3.0.8"
   },