Update Code Climate to 0.85.2

What does this MR do?

Updates Code Climate to 0.85.2.

The changes from 0.83.1 to 0.85.2 are:

• [NEW] Added rubcop-0-67 channel supporting Rubocop 0.67 (This will enable support for Ruby 2.6)

What are the relevant issue numbers?

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/58550

Does this MR meet the acceptance criteria?

• Changelog entry added
• N/A Documentation created/updated for GitLab EE, if necessary
• N/A Documentation created/updated for this project, if necessary
• N/A Documentation reviewed by technical writer or follow-up review issue created
• N/A Tests added for this feature/bug
• N/A Job definition updated, if necessary
  • N/A Auto-DevOps template (also in CE)
  • N/A Job definition example
  • N/A CI Templates (to be removed)
  • N/A Vendored CI Templates (also in CE)
• Conforms to the code review guidelines
• N/A Conforms to the Go guidelines
• Security reports checked/validated by reviewer