Bump undici and hardhat

Bumps [undici](https://github.com/nodejs/undici) to 5.10.0 and updates ancestor dependency [hardhat](https://github.com/nomiclabs/hardhat). These dependencies need to be updated together.


Updates `undici` from 4.15.1 to 5.10.0
- [Release notes](https://github.com/nodejs/undici/releases)
- [Commits](nodejs/undici@v4.15.1...v5.10.0)

Updates `hardhat` from 2.9.1 to 2.11.2
- [Release notes](https://github.com/nomiclabs/hardhat/releases)
- [Commits](https://github.com/nomiclabs/hardhat/compare/[email protected]@2.11.2)

---
updated-dependencies:
- dependency-name: undici
  dependency-type: indirect
- dependency-name: hardhat
  dependency-type: direct:development
...

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