Update minitest requirement from ~> 5.8.4 to ~> 5.23.1

[dependabot]

Updates the requirements on minitest to permit the latest version.

Changelog

Sourced from minitest's changelog.

=== 5.23.1 / 2024-05-21

• 1 bug fix:

  • Fully qualify the Queue class to avoid conflicts with other libraries. (rafaelfranca)

=== 5.23.0 / 2024-05-15

• 3 minor enhancements:

  • Added -Werror to raise on any warning output. (byroot)
  • Added UnexpectedWarning as a failure summary type, added count to output if activated.
  • Added minitest/manual_plugins.rb w/ new Minitest.load method. (tenderlove)

• 2 bug fixes:

  • Allow empty_run! and reporter to display summary for empty runs. (zzak)
  • Make test task verbose using either rake's -v or -t (was just -t).

=== 5.22.3 / 2024-03-13

• 1 minor enhancement:

  • MASSIVE improvement of minitest's pride plugin output: Frequencies doubled! Sine waves shifted!! Comments improved!!! Colors rotated!!!! (havenwood)

• 3 bug fixes:

  • Improved wording on Minitest::Test#parallelize_me! to clarify it goes INSIDE your test class/describe.
  • Minor changes to tests to pass when tests ran with extra flags (eg -p).
  • Support Ruby 3.4's new error message format. (mame)

=== 5.22.2 / 2024-02-07

• 1 bug fix:

  • Third time's a charm? Remember: 'ensure' is almost always the wrong way to go (for results... it's great for cleaning up).

=== 5.22.1 / 2024-02-06

• 1 bug fix:

  • Don't exit non-zero if no tests ran and no filter (aka, the test file is empty). (I'm starting to think the exit 1 thing for @​tenderlove was a mistake...)

=== 5.22.0 / 2024-02-05

• 1 minor enhancement:

  • Added "did you mean" output if your --name filter matches nothing. (tenderlove)

... (truncated)

Commits

• 7ad0ff0 prepped for release
• f60c6f2 - Fully qualify the Queue class to avoid conflicts with other libraries. (raf...
• b04feec Branching minitest to version 5.23.0
• f0f17b9 + Added -Werror to raise on any warning output. (byroot)
• 609f1ad Added testW0 rake task.
• d6f62b9 Fixed specs task for pattern_match expectation mapping.
• 56f5068 OMG... Rake.verbose returns Object.new if unset. Fixed by ruby/rake#567, but ...
• 3f14f2a Updated versions/EOL for ruby/rails in readme
• b2a4b43 + Added minitest/manual_plugins.rb w/ new Minitest.load method. (tenderlove)
• 6a8f348 - Make test task verbose using either rake's -v or -t (was just -t).
• Additional commits viewable in compare view

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[dependabot]

Superseded by #545.