test: update unit test snapshot for jsx

Author: danielroe

packages/nuxt/test/page-metadata.test.ts

@@ -56,7 +56,10 @@ export default {
 
     const meta = await getRouteMeta(fileContents, `/app/pages/index.vue`)
     expect(meta).toStrictEqual({
-      name: 'bar',
+      'meta': {
+        '__nuxt_dynamic_meta_key': new Set(['meta']),
+      },
+      'name': 'bar',
     })
   })