chore: upgrade vite-plugin-vue-i18n for default export (#400)

vite.config.ts

@@ -8,7 +8,7 @@ import Components from 'unplugin-vue-components/vite'
 import AutoImport from 'unplugin-auto-import/vite'
 import Markdown from 'vite-plugin-vue-markdown'
 import { VitePWA } from 'vite-plugin-pwa'
-import { vueI18n as VueI18n } from '@intlify/vite-plugin-vue-i18n'
+import VueI18n from '@intlify/vite-plugin-vue-i18n'
 import Inspect from 'vite-plugin-inspect'
 import LinkAttributes from 'markdown-it-link-attributes'
 import Unocss from 'unocss/vite'