Bump to `typescript@5.1` (#50557)
We need to upgrade TypeScript to land the following fixes:
- https://github.com/vercel/next.js/pull/50289
- https://github.com/vercel/next.js/pull/48018
And it should fix async components:
- https://twitter.com/sebsilbermann/status/1664356039876124672
Also see this related TS 5.0 issue:
- https://github.com/microsoft/TypeScript/issues/53402
