build(deps): bump tsx from 4.20.6 to 4.21.0 (#7242)

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:production
  update-type: version-update:semver-minor
...

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

bin/package.json

@@ -11,7 +11,7 @@
     "ep_etherpad-lite": "workspace:../src",
     "log4js": "^6.9.1",
     "semver": "^7.7.3",
-    "tsx": "^4.20.6",
+    "tsx": "^4.21.0",
     "ueberdb2": "^5.0.22"
   },
   "devDependencies": {