v1.0.1 Tests and improved Composer.json

What's Changed

• Rough in CI automation by @donatj in #1
• Bump actions/checkout from 4 to 5 by @dependabot[bot] in #2

New Contributors

• @donatj made their first contribution in #1
• @dependabot[bot] made their first contribution in #2

Full Changelog: v1.0.0...v1.0.1