v1.4.0

What's Changed

• Add a simple github-actions workflow by @agrare in #158
• Fix kwargs ArgumentError on ruby3 by @agrare in #156
• Test with ruby 3.0, 3.1, and 3.2 by @agrare in #159
• Release v1.4.0 by @agrare in #160

Full Changelog: v1.3.7...v1.4.0