chore(deps-dev): bump tsdown from 0.15.12 to 0.16.0

Bumps [tsdown](https://github.com/rolldown/tsdown) from 0.15.12 to 0.16.0.
- [Release notes](https://github.com/rolldown/tsdown/releases)
- [Commits](rolldown/tsdown@v0.15.12...v0.16.0)

---
updated-dependencies:
- dependency-name: tsdown
  dependency-version: 0.16.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package.json

@@ -60,7 +60,7 @@
     "prebuildify": "6.0.1",
     "rimraf": "6.1.0",
     "semver": "7.7.3",
-    "tsdown": "0.15.12",
+    "tsdown": "0.16.0",
     "tslib": "2.8.1",
     "tsx": "4.20.6",
     "typescript": "5.9.3",