ci(deps-dev): bump tsdown from 0.12.9 to 0.22.0

Bumps [tsdown](https://github.com/rolldown/tsdown) from 0.12.9 to 0.22.0.
- [Release notes](https://github.com/rolldown/tsdown/releases)
- [Commits](rolldown/tsdown@v0.12.9...v0.22.0)

---
updated-dependencies:
- dependency-name: tsdown
  dependency-version: 0.22.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package.json

@@ -64,7 +64,7 @@
     "jsdom": "^26.0.0",
     "react": "^19.2.6",
     "react-dom": "^19.0.0",
-    "tsdown": "^0.12.0",
+    "tsdown": "^0.22.0",
     "typescript": "~5.8.2",
     "vitest": "^3.1.1"
   },