build(deps-dev): bump tsx from 4.20.6 to 4.21.0 in /src

Bumps [tsx](https://github.com/privatenumber/tsx) from 4.20.6 to 4.21.0.
- [Release notes](https://github.com/privatenumber/tsx/releases)
- [Changelog](https://github.com/privatenumber/tsx/blob/master/release.config.cjs)
- [Commits](https://github.com/privatenumber/tsx/compare/v4.20.6...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] <[email protected]>

src/package.json

@@ -65,7 +65,7 @@
     "eslint-config-prettier": "^10.1.8",
     "prettier": "^3.6.2",
     "prettier-plugin-tailwindcss": "^0.7.1",
-    "tsx": "^4.20.6",
+    "tsx": "^4.21.0",
     "typescript": "^5.9.3",
     "vue-tsc": "^3.1.5"
   },