fix(nuxt)!: bump internal majorVersion to `4`

packages/nuxt/src/core/nuxt.ts

@@ -661,7 +661,7 @@ export async function loadNuxt (opts: LoadNuxtOptions): Promise<Nuxt> {
 
   // Temporary until finding better placement for each
   options.appDir = options.alias['#app'] = resolve(distDir, 'app')
-  options._majorVersion = 3
+  options._majorVersion = 4
 
   // De-duplicate key arrays
   for (const key in options.app.head || {}) {

packages/schema/src/config/internal.ts

@@ -2,7 +2,7 @@ import { defineUntypedSchema } from 'untyped'
 
 export default defineUntypedSchema({
   /** @private */
-  _majorVersion: 3,
+  _majorVersion: 4,
   /** @private */
   _legacyGenerate: false,
   /** @private */