chore(deps): update dependency tsup to ^8.1.1 (#574)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [tsup](https://tsup.egoist.dev/)
([source](https://togithub.com/egoist/tsup)) | [`^8.1.0` ->
`^8.1.1`](https://renovatebot.com/diffs/npm/tsup/8.1.0/8.1.1) |
[![age](https://developer.mend.io/api/mc/badges/age/npm/tsup/8.1.1?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/npm/tsup/8.1.1?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/npm/tsup/8.1.0/8.1.1?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/tsup/8.1.0/8.1.1?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>egoist/tsup (tsup)</summary>

###
[`v8.1.1`](https://togithub.com/egoist/tsup/compare/v8.1.0...46a1f9de6dbf0b57063a87ecff10ce143f4fd9f2)

[Compare
Source](https://togithub.com/egoist/tsup/compare/v8.1.0...v8.1.1)

</details>

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