chore(deps): update dependency tsdown to v0.21.10

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
tsdown (source)	0.21.9 → 0.21.10

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Release Notes

rolldown/tsdown (tsdown)

v0.21.10

Compare Source

   🚀 Features

• Upgrade rolldown  -  by @​sxzz (8a449)

    View changes on GitHub

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[doistbot]

This PR updates the tsdown dependency to version 0.21.10, bringing in the latest underlying rolldown enhancements. Keeping our dependencies current is great for the project's long-term maintainability, and no issues were flagged during the review.

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