chore(deps-dev): bump tsdown from 0.15.11 to 0.15.12 (#1482)

Bumps [tsdown](https://github.com/rolldown/tsdown) from 0.15.11 to 0.15.12.
- [Release notes](https://github.com/rolldown/tsdown/releases)
- [Commits](rolldown/tsdown@v0.15.11...v0.15.12)

---
updated-dependencies:
- dependency-name: tsdown
  dependency-version: 0.15.12
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package.json

@@ -71,7 +71,7 @@
     "@types/node": "24.9.2",
     "@types/swagger2openapi": "7.0.4",
     "axios": "1.13.1",
-    "tsdown": "0.15.11",
+    "tsdown": "0.15.12",
     "typedoc": "0.28.14",
     "vitest": "4.0.5"
   },