Fix rubocop problems
What does this MR do and why?
Fix rubocop problems: https://jihulab.com/gitlab-cn/gitlab/-/jobs/5785242
How to set up and validate locally
bundle exec rake rubocop:check:graceful
Fix rubocop problems: https://jihulab.com/gitlab-cn/gitlab/-/jobs/5785242
bundle exec rake rubocop:check:graceful