Update dependency @nuxt/content to v3

Author: renovate[bot]

package.json

@@ -18,7 +18,7 @@
     "@iconify-json/heroicons": "^1.2.1",
     "@iconify-json/ph": "^1.2.1",
     "@iconify-json/simple-icons": "^1.2.13",
-    "@nuxt/content": "^2.13.4",
+    "@nuxt/content": "^3.1.0",
     "@nuxt/fonts": "^0.10.2",
     "@nuxt/image": "^1.8.1",
     "@nuxt/ui-pro": "^1.4.4",