chore: drop support for Node.js 12

BREAKING CHANGE: minimum Node.js version is 14

Author: clarkdo

Diff for: packages/create-nuxt-app/package.json

@@ -28,6 +28,6 @@
   ],
   "license": "MIT",
   "engines": {
-    "node": ">=v12.22.12"
+    "node": ">=v14.20.0"
   }
 }