v4.4.2

• Use new powershell if available to enhance WSL support (#176, #186). Thanks, G-Rath and 131!
• Update rubocop version (development dependency only) (#178). Thanks, utkarsh2102!
• Replace git ls-files with dir in the gemspec for better Debian support (#179, #184). Thanks again, utkarsh2102!
• Update README with require: false when adding gem to Gemfile (#183).
• Make WSL detection more generic (#187). rbclark!