Bump ruleset module

What does this MR do?

Bump ruleset module to v2.0.5 that fixes incorrect reference to Remote Custom ruleset file.

What are the relevant issue numbers?

https://gitlab.com/gitlab-com/sec-sub-department/section-sec-request-for-help/-/issues/83+

Does this MR meet the acceptance criteria?

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