v0.3.1

What's Changed

• fix new location of unstable assert_matches by @MusicalNinjaDad in #40
• move to exclude-based package contents by @MusicalNinjaDad in #41
• Residual must impl Residual as of 2026-04-16 by @MusicalNinjaDad in #48

Full Changelog: v0.3.0...v0.3.1