chore(deps): update nuxt core to v4

Author: renovate[bot]

package.json

@@ -56,15 +56,15 @@
     "test:types": "vue-tsc --noEmit && cd playground && vue-tsc --noEmit"
   },
   "dependencies": {
-    "@nuxt/kit": "^3.16.0",
+    "@nuxt/kit": "^4.0.0",
     "@types/cloudflare-turnstile": "0.2.2",
     "defu": "^6.1.4",
     "pathe": "^2.0.3"
   },
   "devDependencies": {
     "@nuxt/eslint-config": "1.7.1",
     "@nuxt/module-builder": "1.0.2",
-    "@nuxt/schema": "3.18.0",
+    "@nuxt/schema": "4.0.3",
     "@nuxt/scripts": "0.11.10",
     "@nuxt/test-utils": "3.19.2",
     "@types/node": "22.17.0",
@@ -75,7 +75,7 @@
     "expect-type": "1.2.2",
     "get-port-please": "3.2.0",
     "lint-staged": "16.1.4",
-    "nuxt": "3.18.0",
+    "nuxt": "4.0.3",
     "playwright": "1.54.2",
     "typescript": "5.9.2",
     "vitest": "3.2.4",
@@ -85,7 +85,7 @@
     "@nuxt/scripts": "^0.11.0"
   },
   "resolutions": {
-    "@nuxt/kit": "3.18.0",
+    "@nuxt/kit": "^4.0.0",
     "@nuxtjs/turnstile": "link:."
   },
   "packageManager": "pnpm@10.14.0"

playground/package.json

@@ -9,6 +9,6 @@
   },
   "devDependencies": {
     "@nuxtjs/turnstile": "latest",
-    "nuxt": "3.18.0"
+    "nuxt": "4.0.3"
   }
 }