Update changelog entry for MR 188

What does this MR do?

This MR fixes the changelog entry for the update made by !188 (merged)

What are the relevant issue numbers?

gitlab-org/gitlab#301126 (closed)

See Split Secure common library into Go modules for more details.

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 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