pnpm v11 support

Edit: Ok weird, in another project it seems to work just fine 🤨 Edit 2: **Found the issue**: It's a monorepo that had a sub-package that defined a pnpm@10 version. The error...

pnpm v11 support

Running into the same issue. With corepack enabled, I'd have expected Vercel to pick up the pinned pnpm version automatically.

Vercel Deploy error due to pnpm 10.4

The `packageManager` field [does not allow for version ranges](https://github.com/nodejs/corepack/issues/402). I don't want to suddenly force developers to use corepack with a...