0.13.1

This is a gem housekeeping release. No user-facing changes.

🏠 Housekeeping

• Add Ruby 4 to CI (#110) @mattbrictson
• Remove workarounds now that bundler-audit supports Bundler 4 (#106) @mattbrictson
• Simplify integration test assertion to avoid flake (#114) @mattbrictson
• Fix CI failure on Ruby 3.1 due to Minitest 5.27.0 release (#109) @mattbrictson
• Update mocha requirement from ~> 2.4 to ~> 3.0 (#107) @dependabot[bot]
• Bump actions/checkout from 5 to 6 (#105) @dependabot[bot]
• Update rubocop gems (#104, #108, #111, #112, #113) @dependabot

Full Changelog: v0.13.0...v0.13.1