test(rubocop): switch to using pre-commit's built-in file filtering

[dafyddj]

PR progress checklist (to be filled in by reviewers)

• Changes to documentation are appropriate (or tick if not required)
• Changes to tests are appropriate (or tick if not required)
• Reviews completed

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What type of PR is this?

Primary type

• [build] Changes related to the build system
• [chore] Changes to the build process or auxiliary tools and libraries such as documentation generation
• [ci] Changes to the continuous integration configuration
• [feat] A new feature
• [fix] A bug fix
• [perf] A code change that improves performance
• [refactor] A code change that neither fixes a bug nor adds a feature
• [revert] A change used to revert a previous commit
• [style] Changes that do not affect the meaning of the code (white-space, formatting, missing semi-colons, etc.)

Secondary type

• [docs] Documentation changes
• [test] Adding missing or correcting existing tests

Does this PR introduce a BREAKING CHANGE?

No.

Related issues and/or pull requests

Describe the changes you're proposing

• only run rubocop when relevant files have changed

test(rubocop): use AllowedMethods not deprecated IgnoredMethods

• see Deprecate IgnoredMethods option in integrate to AllowedMethods and AllowedPatterns option rubocop/rubocop#10829

Pillar / config required to test the proposed changes

Debug log showing how the proposed changes work

Files checked:

Gemfile
test/integration/default/controls/services.rb
test/integration/default/controls/config.rb
test/integration/default/controls/subcomponent_config.rb
test/integration/default/controls/_mapdata.rb
bin/kitchen
test/integration/default/controls/packages.rb
test/integration/share/libraries/system.rb

Documentation checklist

• Updated the README (e.g. Available states).
• Updated pillar.example.

Testing checklist

• Included in Kitchen (i.e. under state_top).
• Covered by new/existing tests (e.g. InSpec, Serverspec, etc.).
• Updated the relevant test pillar.

Additional context

[saltstack-formulas-github]

🎉 This PR is included in version 5.0.11 🎉

The release is available on GitHub release

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