Fix rubocop for danger MR

What does this MR do and why?

Fixing style of upstream's danger related files to make rubocop happy.

How to set up and validate locally

checkout this MR and rubocop or just wait for pipeline

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• [*] I have evaluated the MR acceptance checklist for this MR.