chore(deps): update dependency nuxt to v4 (main) (#199)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package.json

@@ -19,7 +19,7 @@
     "@unovis/vue": "^1.5.2",
     "@vueuse/nuxt": "^13.4.0",
     "date-fns": "^4.1.0",
-    "nuxt": "^3.17.6",
+    "nuxt": "^4.0.0",
     "zod": "^3.25.67"
   },
   "devDependencies": {