v3.1.2

What's Changed

• Add 'require stringio' to root library file. by @beporter in #47
• Build against ruby 4 by @jessebs in #52
• Resolve #45 by @jessebs in #51
• Bump version for 3.1.1 release by @jessebs in #53
• Better branch coverage calculations by @jessebs in #54
• Bump version for 3.1.2 release by @jessebs in #55
• bump checkout action to v6 by @jessebs in #56

New Contributors

• @beporter made their first contribution in #47

Full Changelog: v3.1.0...v3.1.2