Update dependency guard to '~> 2.20.1'

[mend-5034428]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
guard (source, changelog)	'~> 2.13.0' -> '~> 2.20.1'

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Release Notes

guard/guard (guard)

v2.20.1

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• Fix usage of deprecated Lumberjack method (#​1005) @​vindia-mb

Full Changelog: guard/guard@v2.20.0...v2.20.1

v2.20.0

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Full Changelog: guard/guard@v2.19.1...v2.20.0

v2.19.1

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🏠 Housekeeping

• Get rid of compatibility warnings under Ruby 3.4. (#​998) @​kewlar
• Provide a 'Changelog' link on rubygems.org/gems/guard (#​999) @​mark-young-atg

v2.19.0

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What's Changed

• Drop unused require ostruct

Full Changelog: guard/guard@v2.18.1...v2.19.0

v2.18.1

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v2.18.0

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• Bump dependency on pry to >= 0.13.0 (#​974) @​larouxn

v2.17.0

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✨ New Features

• Refactor pry_wrapper.rb to be XDG compliant (#​962) @​quintrino
• Add Ruby 2.7.3 and 3.0.1 to the test matrix (#​969) @​rymai
• Bring compatibility with Ruby 3 explicit keyword arguments (#​969) @​rymai

v2.16.2

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🐛 Bug Fixes

• Fix support for Pry 0.13 (#​958) @​rymai

v2.16.1

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🐛 Bug Fixes

• Don't swallow evaluator error by handling non-existant listener & interactor (#​939) @​rymai

🏠 Housekeeping

• Add Codecov (#​944) @​rymai
• Maintain release notes using GitHub Actions (#​941) @​rymai

v2.16.0

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New feature

• #​938 Add support for guardfile.rb.

v2.15.1

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Bugfixes

• #​930 Ensure Guard calls #stop even if an exception is raised.

Tests & CI

• #​914 Add a simplecov filter for the /spec folder.
• #​926 Test against Ruby 2.4.6, 2.5.5, 2.6.2, jruby-9.1.17.0, jruby-9.2.6.0, rbx-3.107.
• #​928 Fix Ruby 2.6 compatibility by stubbing Pathname instead of IO.read in spec.
• #​933 Remove codeclimate-test-reporter from Gemfile.

Other

• #​919 Add a "Reviewed by Hound" badge.
• #​925 Fix YARD annotation.
• #​927 Drop outdated badge for Gemnasium.

v2.15.0

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New feature

• #​889 Add #== method for Guard::Watcher.

Bugfixes

• #​893 Fix rspec warning message.
• #​894 Fix rspec random test failure.
• #​916 Fix Pry 0.12.0 deprecation warnings.

Improvements

• #​872 Improve Plugin type checking.
• #​904 Replace deprecated Dir.exists? with Dir.exist?.

Tests & CI

• #​899 Test against latest rubies.
• #​900 Force rubocop to match HoundCI's rubocop version.
• #​911 Apply style guide to the specs.

v2.14.2

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Bugfix

• #​892 Fix a bug that was preventing logger options from the Guardfile from being correctly set

Improvements

• #​871 Add aliasing section inside tired-of-typing bundle exec
• #​879 Run core with same Ruby version as it was started with
• #​880 Build badge now shows master branch status
• #​881 Update CI matrix to include latest release of JRuby
• #​882 Fix lumberjack version runtime dependency to ">= 1.0.12", "< 2.0"
• #​883 Run CI against Ruby 2.2.8, 2.3.5, and 2.4.2
• #​886 Improve headings in the README
• #​890 Add links to the wiki in CONTRIBUTING.md

v2.14.1

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Bugfixes

• #​860 Fix default type on listen_to method_option for newer versions of Thor
• #​861 guard -c nows clears window buffer on OSX

Improvements

• #​852 Rework logging and UI configuration
• #​864 Execute the codeclimate-test-reporter bin as a separate CI step
• #​865 Test against Ruby 2.2.6, 2.3.3, and 2.4.0

v2.14.0

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Bugfixes

• #​817 Correct pause state message [fix #​816]
• #​791 Guard now fails with the 1 exit code when plugin is not available

Improvements

• #​835 allow regexp group names like /(?<name>.*).rb/ (so you can use m[:name] instead of m[1])
• #​835 allows custom matcher objects in watches (so you can pass matchers instead of a regexp - see Matcher class)
• #​835 better/smarter handling of Pathnames in watch/matches/rules
• #​798 (ignore_plugin_templates) dont reload when plugin templates change
• #​785 also trace spawn() calls when debugging

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