next.js

96923ed8 - Fix static opt of routes generation for static metadata files (#48528)

Fix static opt of routes generation for static metadata files (#48528) x-ref: [slack thread](https://vercel.slack.com/archives/C03KAR5DCKC/p1681781435607369) For static metadata files, we should always generate static routes instead of generate dynamic routes, so that they won't be deployed as serverless functions which executing file reading in deployment