chore(deps): bump undici and ohmyfetch

Bumps [undici](https://github.com/nodejs/undici) and [ohmyfetch](https://github.com/unjs/ohmyfetch). These dependencies needed to be updated together.

Updates `undici` from 4.15.1 to 5.14.0
- [Release notes](https://github.com/nodejs/undici/releases)
- [Commits](nodejs/undici@v4.15.1...v5.14.0)

Updates `ohmyfetch` from 0.4.15 to 0.4.21
- [Release notes](https://github.com/unjs/ohmyfetch/releases)
- [Changelog](https://github.com/unjs/ofetch/blob/main/CHANGELOG.md)
- [Commits](unjs/ofetch@v0.4.15...v0.4.21)

---
updated-dependencies:
- dependency-name: undici
  dependency-type: indirect
- dependency-name: ohmyfetch
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <[email protected]>