chore(deps): update dependency @nuxt/content to v3

Author: renovate[bot]

Diff for: docs/package.json

@@ -14,7 +14,7 @@
   "dependencies": {
     "@iconify-json/heroicons": "^1.1.21",
     "@iconify-json/simple-icons": "^1.1.108",
-    "@nuxt/content": "^2.13.1",
+    "@nuxt/content": "^3.2.2",
     "@nuxt/ui-pro": "^1.3.1",
     "@nuxtjs/eslint-config-typescript": "^12.1.0",
     "@nuxtjs/fontaine": "^0.4.3",