bundle: replace pluralize_dependency with Utils.pluralize

[cho-m]

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May have been needed when Homebrew/bundle was separate repo but should just share the same code as rest of brew now.

[Copilot]

Pull request overview

This PR replaces a custom pluralize_dependency helper method in the Bundle DSL with the existing Utils.pluralize utility method, reducing code duplication and aligning with Homebrew's standard utilities.

• Removes the custom pluralize_dependency method from Bundle::Dsl
• Updates Bundle::Installer to use Utils.pluralize instead
• Removes associated tests for the deprecated method

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 1 comment.

File	Description
Library/Homebrew/bundle/dsl.rb	Removes the custom pluralize_dependency method that is being replaced with Utils.pluralize
Library/Homebrew/bundle/installer.rb	Updates two usages of Homebrew::Bundle::Dsl.pluralize_dependency to use Utils.pluralize with appropriate parameters
Library/Homebrew/test/bundle/dsl_spec.rb	Removes tests for the deprecated pluralize_dependency method (functionality is already tested in test/utils_spec.rb)

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[MikeMcQuaid]

Thanks again!