Bump xenon from 0.9.0 to 0.9.3

Bumps [xenon](https://github.com/rubik/xenon) from 0.9.0 to 0.9.3.
- [Changelog](https://github.com/rubik/xenon/blob/master/CHANGELOG)
- [Commits](rubik/xenon@v0.9.0...v0.9.3)

---
updated-dependencies:
- dependency-name: xenon
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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