chore(deps): update nuxt framework to v4 (major) (#488)

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

Author: renovate[bot]

docs/package.json

@@ -7,7 +7,7 @@
   "dependencies": {
     "docus": "^3.0.5",
     "better-sqlite3": "^12.2.0",
-    "nuxt": "^3.17.6"
+    "nuxt": "^4.0.0"
   },
   "devDependencies": {
     "@nuxtjs/plausible": "1.2.0"

package.json

@@ -36,7 +36,7 @@
     "release": "pnpm lint && standard-version && git push --follow-tags"
   },
   "dependencies": {
-    "@nuxt/kit": "^3.17.6",
+    "@nuxt/kit": "^4.0.0",
     "defu": "^6.1.4",
     "graphql": "^16.11.0",
     "qs": "^6.14.0",
@@ -47,7 +47,7 @@
     "@nuxt/eslint-config": "^1.5.2",
     "@nuxt/module-builder": "^1.0.1",
     "eslint": "^9.30.1",
-    "nuxt": "^3.17.6",
+    "nuxt": "^4.0.0",
     "standard-version": "^9.5.0",
     "typescript": "^5.8.3",
     "vue-tsc": "^3.0.1"