feat: support ESM engines

[CGNonofr]

Description

Currently, engines can only be in cjs, the PR changes that to support ESM engines

I will need help to update the tests, because some are already failing locally before my changes 🤔

I've only manually confirmed that commonjs engines still work

Pre-merge checklist

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• Does this require an update to the docs?
• Does this require a changelog entry?

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