chore(deps-dev): bump tsx from 4.19.4 to 4.20.5 (#6143)

Bumps [tsx](https://github.com/privatenumber/tsx) from 4.19.4 to 4.20.5.
- [Release notes](https://github.com/privatenumber/tsx/releases)
- [Changelog](https://github.com/privatenumber/tsx/blob/master/release.config.cjs)
- [Commits](privatenumber/tsx@v4.19.4...v4.20.5)

---
updated-dependencies:
- dependency-name: tsx
  dependency-version: 4.20.5
  dependency-type: direct:development
  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>
Co-authored-by: Kaitlyn Andres <kandres@mozilla.com>

Author: dependabot[bot]

package-lock.json

@@ -173,7 +173,7 @@
     "stylelint": "^16.24.0",
     "stylelint-config-recommended-scss": "^16.0.1",
     "stylelint-scss": "^6.11.1",
-    "tsx": "^4.19.4",
+    "tsx": "^4.20.5",
     "typescript": "^5.9.2",
     "yaml": "^2.8.0"
   },