build(deps): bump undici and vercel

Bumps [undici](https://github.com/nodejs/undici) to 5.28.4 and updates ancestor dependency [vercel](https://github.com/vercel/vercel/tree/HEAD/packages/cli). These dependencies need to be updated together.


Updates `undici` from 5.26.5 to 5.28.4
- [Release notes](https://github.com/nodejs/undici/releases)
- [Commits](nodejs/undici@v5.26.5...v5.28.4)

Updates `vercel` from 32.6.1 to 37.4.0
- [Release notes](https://github.com/vercel/vercel/releases)
- [Changelog](https://github.com/vercel/vercel/blob/main/packages/cli/CHANGELOG.md)
- [Commits](https://github.com/vercel/vercel/commits/vercel@37.4.0/packages/cli)

---
updated-dependencies:
- dependency-name: undici
  dependency-type: indirect
- dependency-name: vercel
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>