Bump nuxt from 2.12.2 to 3.12.4

Bumps [nuxt](https://github.com/nuxt/nuxt/tree/HEAD/packages/nuxt) from 2.12.2 to 3.12.4.
- [Release notes](https://github.com/nuxt/nuxt/releases)
- [Commits](https://github.com/nuxt/nuxt/commits/v3.12.4/packages/nuxt)

---
updated-dependencies:
- dependency-name: nuxt
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -23,7 +23,7 @@
     "@ionic/vue": "0.0.4",
     "@nuxtjs/axios": "5.10.3",
     "@nuxtjs/dotenv": "1.4.1",
-    "nuxt": "2.12.2"
+    "nuxt": "3.12.4"
   },
   "devDependencies": {
     "@babel/preset-env": "7.9.6",