Bump xo from 0.60.0 to 1.2.3

Bumps [xo](https://github.com/xojs/xo) from 0.60.0 to 1.2.3.
- [Release notes](https://github.com/xojs/xo/releases)
- [Commits](xojs/xo@v0.60.0...v1.2.3)

---
updated-dependencies:
- dependency-name: xo
  dependency-version: 1.2.3
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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Author: dependabot[bot]