Bump undici from 5.25.4 to 5.28.5 in /packages/http-client

Bumps [undici](https://github.com/nodejs/undici) from 5.25.4 to 5.28.5.
- [Release notes](https://github.com/nodejs/undici/releases)
- [Commits](https://github.com/nodejs/undici/commits/v5.28.5)

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

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