chore(deps): update nuxt to v4

Author: renovate[bot]

package.json

@@ -43,19 +43,19 @@
     "test:types": "vue-tsc --noEmit && cd playground && vue-tsc --noEmit"
   },
   "dependencies": {
-    "@nuxt/kit": "^3.17.7"
+    "@nuxt/kit": "^4.0.3"
   },
   "devDependencies": {
     "@nuxt/devtools": "^2.6.2",
     "@nuxt/eslint-config": "^1.5.2",
     "@nuxt/module-builder": "^1.0.1",
-    "@nuxt/schema": "^3.17.7",
+    "@nuxt/schema": "^4.0.3",
     "@nuxt/test-utils": "^3.19.2",
     "@types/node": "^22.16.4",
     "@vue/test-utils": "^2.4.6",
     "changelogen": "^0.6.2",
     "eslint": "^9.31.0",
-    "nuxt": "^3.17.7",
+    "nuxt": "^4.0.3",
     "playwright": "^1.54.1",
     "typescript": "^5.8.3",
     "vitest": "^3.2.4",

playground/package.json

@@ -9,7 +9,7 @@
     "typecheck": "nuxi typecheck"
   },
   "dependencies": {
-    "nuxt": "^3.14.1592",
+    "nuxt": "^4.0.3",
     "typescript": "^5.6.3",
     "vue": "^3.5.13",
     "vue-tsc": "^2.1.10"