chore(deps): update dependency tailwindcss to v4

Author: renovate[bot]

website/package.json

@@ -89,7 +89,7 @@
     "postcss-lightningcss": "^1.0.1",
     "prettier-plugin-tailwindcss": "0.8.0",
     "semver": "7.7.4",
-    "tailwindcss": "^3.4.14"
+    "tailwindcss": "^4.0.0"
   },
   "browserslist": {
     "production": [