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

Author: renovate[bot]

package.json

@@ -57,7 +57,7 @@
     "@iconify-json/tabler": "^1.2.16",
     "@iconify-json/vscode-icons": "^1.2.16",
     "@iconify/utils": "^2.3.0",
-    "@nuxt/content": "^2.13.4",
+    "@nuxt/content": "^3.0.0",
     "@nuxt/icon": "^1.10.3",
     "@nuxt/image": "^1.9.0",
     "@una-ui/nuxt": "npm:@una-ui/nuxt-edge",