next.js

0a04ab65 - Fallback to deployment vercel url if metadataBase is not set on prod (#48570)

Fallback to deployment vercel url if metadataBase is not set on prod (#48570) x-ref: https://github.com/vercel/next.js/pull/48556#discussion_r1171163992 For production deployment, we still fallback to deployment URL if `metadataBase` is not set.