Upgrade plugins with @nomicfoundation/hardhat-toolbox

[marcosCardona]

Hardhat has released a plugin that imports by default some of the most common packages and intends to drop waffle to use Hardhat Chai Matchers and Hardhat Network Helpers instead.

The goal is to simplify the packages in use and utilize their improved testing library.

Migration guides:
https://hardhat.org/hardhat-runner/plugins/nomicfoundation-hardhat-toolbox
https://hardhat.org/hardhat-runner/docs/guides/migrating-from-hardhat-waffle

[andrejrakic]

Thanks for raising this issue @marcosCardona, closing because it's already mentioned in #112

If you want to open a PR to do the migration feel free to do so, that will be super awesome 💯 Thanks