fix: upgrade xo from 0.36.1 to 0.43.0 (#125)

Snyk has created this PR to upgrade xo from 0.36.1 to 0.43.0.

See this package in npm:
https://www.npmjs.com/package/xo

See this project in Snyk:
https://app.snyk.io/org/salty-pig/project/945f23c9-2214-4e40-a41c-5d341a6941e4?utm_source=github&utm_medium=upgrade-pr

Co-authored-by: Lucas Holmquist <lucas.holmquist@gmail.com>