chore(deps): update dependency tailwindcss to v4

Author: renovate[bot]

packages/website/package.json

@@ -28,7 +28,7 @@
     "react": "19.1.0",
     "react-docgen": "workspace:8.0.0",
     "react-dom": "19.1.0",
-    "tailwindcss": "3.4.17"
+    "tailwindcss": "4.1.6"
   },
   "browserslist": [
     "chrome 64",