feat: add node16Modules flag for hardhat

[raymondfeng]

This PR allows @typechain/hardhat to configure node16Modules flag so that we can generate ESM compatible code.

[changeset-bot[bot]]

🦋 Changeset detected

Latest commit: ef869ed448cc8b39efcbd7cb6f9432ffae6b5946

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

| Name | Type | | ------------------ | ----- | | @typechain/hardhat | Minor |

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[krzkaczor]

Thanks!