Add docs for cluster detail page vulnerabilities

What does this MR do and why?

Add docs for cluster detail page vulnerabilities

• the security tab was added

Screenshots or screen recordings

See the epic

How to set up and validate locally

N/A

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.

Related to #350099 (closed)