chore(deps): update dependency tsup to v5.12.6

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
tsup	5.11.13 -> 5.12.6

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Release Notes

egoist/tsup

v5.12.6

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Bug Fixes

• dts: use relative baseUrl in tsconfig, closes #​611 (df40e12)

v5.12.5

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Bug Fixes

• Exit Code returns 0 for failed builds, closes #​606 (b3ad95f)

v5.12.4

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Bug Fixes

• make sure sources are relative path in sourcemap, closes #​603 (637ec28)
• reject promise with an error (401e204)

v5.12.3

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Bug Fixes

• don't treat .node.js as native node module, closes #​589 (e5fe1c1)

v5.12.2

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Bug Fixes

• build promise resolves before types are emitted (#​597) (d30f813)

v5.12.1

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Bug Fixes

• regression: entry gets ignored if it is an object, closes #​583 (b480486)

v5.12.0

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Bug Fixes

• exclude banner and footer in the options for rollup (4cc7ea7)
• unlink the outDir twice will report an error (#​569) (5bd6819)

Features

• allow banner and footer to a function (2521e9f)

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