Update rr requirement from ~> 1.0 to ~> 3.1

[dependabot[bot]]

Updates the requirements on rr to permit the latest version.

Changelog

Sourced from rr's changelog.

3.1.0 - 2022-07-14

Improvements

• Improved CI. GitHub#89[Patch by Peter Goldstein] GitHub#90[Patch by mishina] GitHub#91[Patch by mishina]

• Improved wildcard_match? against Hash. GitHub#94 [Reported by kawamotosatoshi]

Fixes

• Fixed document. GitHub#92[Patch by mishina]

Thanks

• Peter Goldstein

• mishina

• kawamotosatoshi

3.0.9 - 2021-12-07

Improvements

• Marked TruffleRuby as "keyword arguments aren't fully supported yet".

3.0.8 - 2021-10-17

Fixes

• Minitest integration: Fixed a bug that NameError is raised. [GitHub#88][Reported by Matijs van Zuijlen]

Thanks

• Matijs van Zuijlen

3.0.7 - 2021-08-17

Fixes

• Minitest + Active Support integration: Fixed a bug that stub in setup {...} is ignored. [GitHub#87][Reported by Boris]

... (truncated)

Commits

• 7fb721d Add 3.1.0 entry
• a201623 Improve wildcard_match? for Hash
• 557eaef Fix issue number in CHANGES.md (#92)
• 2ccf468 Update GitHub Actions workflow (#91)
• 0a3ff52 Enable bundler-cache to cache gem dependencies (#90)
• 98dedcc Add Ruby 3.1 to the CI matrix (#89)
• 12b7683 Bump version
• 1a486a3 Add 3.0.9 entry
• 80c7408 TruffleRuby doesn't support keyword arguments fully
• 57814d9 ci: add truffleruby-head
• Additional commits viewable in compare view

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[parkr]

@jekyllbot: merge +dev