Update kubesec to v2.5.0

What does this MR do?

This project relies on the kubesec OSS project. This MR updates our base docker image to utilize v2.5.0 of that project.

What are the relevant issue numbers?

https://gitlab.com/gitlab-org/security-products/release/-/issues/99

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