build(deps-dev): bump xo from 0.54.2 to 0.56.0

Bumps [xo](https://github.com/xojs/xo) from 0.54.2 to 0.56.0.
- [Release notes](https://github.com/xojs/xo/releases)
- [Commits](xojs/xo@v0.54.2...v0.56.0)

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

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

package.json

@@ -53,7 +53,7 @@
     "baldrick-zest-mess": "^0.17.0",
     "ts-node": "^10.9.1",
     "typescript": "^5.1.3",
-    "xo": "^0.54.2"
+    "xo": "^0.56.0"
   },
   "peerDependencies": {}
 }