Update dependency tsup to v5.12.3

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
tsup	5.12.2 -> 5.12.3

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Release Notes

egoist/tsup

### [`v5.12.3`](https://togithub.com/egoist/tsup/releases/v5.12.3) [Compare Source](https://togithub.com/egoist/tsup/compare/v5.12.2...v5.12.3) ##### Bug Fixes - don't treat .node.js as native node module, closes [#​589](https://togithub.com/egoist/tsup/issues/589) ([e5fe1c1](https://togithub.com/egoist/tsup/commit/e5fe1c188bd4e24397d19b82e0f13f0c632dbfa6))

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