chore(deps): update dependency tailwindcss to v4

Author: renovate[bot]

package.json

@@ -16,7 +16,7 @@
     "nuxt": "^3.16.1",
     "nuxt-icon": "^0.6.10",
     "prettier": "^3.5.0",
-    "tailwindcss": "^3.4.17"
+    "tailwindcss": "^4.1.3"
   },
   "dependencies": {
     "postcss": "^8.5.2",