chore(deps-dev): bump tsx from 4.9.3 to 4.21.0

Bumps [tsx](https://github.com/privatenumber/tsx) from 4.9.3 to 4.21.0.
- [Release notes](https://github.com/privatenumber/tsx/releases)
- [Changelog](https://github.com/privatenumber/tsx/blob/master/release.config.cjs)
- [Commits](privatenumber/tsx@v4.9.3...v4.21.0)

---
updated-dependencies:
- dependency-name: tsx
  dependency-version: 4.21.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

package.json

@@ -40,7 +40,7 @@
     "husky": "9.1.7",
     "lint-staged": "16.2.3",
     "prettier": "3.6.2",
-    "tsx": "4.9.3",
+    "tsx": "4.21.0",
     "typescript": "5.9.3",
     "vitest": "3.2.4"
   },