chore(deps): update dependency tsdown to v0.20.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
tsdown (source)	0.18.4 → 0.20.1

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Release Notes

rolldown/tsdown (tsdown)

v0.20.1

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   🚀 Features

• inline-only: Show warnings if bundled deps  -  by @​sxzz (1e0e7)

    View changes on GitHub

v0.20.0

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   🚨 Breaking Changes

• Upgrade dts plugin, remove dts.resolve option  -  by @​sxzz (16655)

   🚀 Features

• Add option to disable legacy CJS warning  -  by @​sxzz (9fada)
• Apply inlineOnly option for dts files  -  by @​sxzz (7d89d)
• Upgrade rolldown to 1.0.0-beta.60  -  by @​sxzz (bb3ee)
• Upgrade rolldown to rc 1  -  by @​sxzz (1959f)
• entry: Support mixed array and object entries  -  by @​sxzz (a8083)

   🐞 Bug Fixes

• Optional parseEnv  -  by @​sxzz (be1b6)
• Reload config on restart  -  by @​sxzz (1756b)
• Config extensions typo  -  by @​aryaemami59 in #​722 (d2bb7)
• windows: Normalize path separators in build output  -  by @​ryuapp in #​719 (c4525)

   🏎 Performance

• Native filter for external plugin  -  by @​sxzz (8764e)

    View changes on GitHub

v0.19.0

Compare Source

   🚨 Breaking Changes

• Rename debugLogs to debug  -  by @​sxzz (bb4e7)
• Remove deprecated silent option  -  by @​sxzz (59015)
• devtools:
  • Rename debug to devtools, rename debug.devtools to devtools.ui  -  by @​sxzz (63e6f)
• exports:
  • Add legacy option, remove main & module fields if pure ESM  -  by @​sxzz (16841)
  • Exclude extension name for exports.exclude  -  by @​sxzz (53d38)
  • Only auto-fill types when exports.legacy  -  by @​lishaduck and @​sxzz in #​685 (7be6b)

   🚀 Features

• Add typeAssert util back  -  by @​sxzz (1d385)
• Generate CSS exports when css.splitting is disabled  -  by @​jinghaihan and @​sxzz in #​680 (b737c)
• Upgrade rolldown to 1.0.0-beta.58  -  by @​sxzz (48036)
• Expose enableDebug  -  by @​sxzz (2d922)
• Expose resolveUserConfig  -  by @​sxzz (c9acb)
• Upgrade rolldown to 1.0.0-beta.59  -  by @​sxzz (d564f)
• Clear console on rebuild start  -  by @​sxzz (78efd)
• migrate: Add monorepo support  -  by @​lauigi and @​sxzz in #​659 (efba2)

   🐞 Bug Fixes

• Print blank line only when the log level is info  -  by @​tomgao365 in #​689 (96d82)
• attw: Add --ignore-scripts to avoid lifecycle output  -  by @​Doctor-wu in #​661 (1c8b1)
• cjs: Update version check for require ESM support  -  by @​sxzz (beeff)

   🏎 Performance

• Optimize hot paths  -  by @​sxzz (7925d)

    View changes on GitHub

---

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Project	Deployment	Actions	Updated (UTC)
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[mrlubos]

@copilot figure out why this pull request fails

[Copilot]

@mrlubos I've opened a new pull request, #3278, to work on those changes. Once the pull request is ready, I'll request review from you.

[Copilot]

Pull request overview

This PR updates the build tooling by bumping tsdown and refreshing the associated lockfile, which in turn updates the underlying rolldown toolchain and related transitive dependencies.

Changes:

• Update root devDependency tsdown from 0.18.4 to 0.20.1.
• Regenerate pnpm-lock.yaml to align with tsdown@0.20.1, including upgrades of rolldown from 1.0.0-beta.57 to 1.0.0-rc.1, rolldown-plugin-dts to 0.21.7, unrun to 0.2.26, and several related Babel and Nuxt/rolldown integration entries.
• Normalize some lockfile dependency annotations (e.g., webpack-dev-middleware / webpack-dev-server peer spec formatting, removal of unused older entries like ansis@4.1.0 and @emnapi/core@1.5.0).

Reviewed changes

Copilot reviewed 1 out of 2 changed files in this pull request and generated no comments.

File	Description
package.json	Bumps the root tsdown devDependency to 0.20.1, enabling the project to use the latest tsdown features and matching the lockfile.
pnpm-lock.yaml	Synchronizes all resolved versions with tsdown@0.20.1, updating the associated rolldown stack and other transitive packages while keeping Node engine requirements consistent with the repo (>=20.19.0).

Files not reviewed (1)

• pnpm-lock.yaml: Language not supported