Bump json5 and ethereum-waffle

Removes [json5](https://github.com/json5/json5). It's no longer used after updating ancestor dependency [ethereum-waffle](https://github.com/EthWorks/Waffle). These dependencies need to be updated together.


Removes `json5`

Updates `ethereum-waffle` from 3.4.4 to 4.0.10
- [Release notes](https://github.com/EthWorks/Waffle/releases)
- [Commits](https://github.com/EthWorks/Waffle/compare/[email protected]@4.0.10)

---
updated-dependencies:
- dependency-name: json5
  dependency-type: indirect
- dependency-name: ethereum-waffle
  dependency-type: direct:development
...

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