v0.3.0

What's Changed

• chore: update CI to include v18 by @nfischer in #9
• docs: change GitHub Actions README badge by @nfischer in #10
• chore: skip lint on node v4 by @nfischer in #12
• chore: update shelljs and drop old node support by @nfischer in #13

Full Changelog: v0.2.2...v0.3.0