Update documentation to accurately reflect ZAProxy version.
Problem to solve
This page does not list the correct version of ZAProxy or describe the vulnerability database correctly. https://docs.gitlab.com/ee/user/application_security/index.html#maintenance-and-update-of-the-vulnerabilities-database
Intended users
- [Sam (Security Analyst)](https://about.gitlab.com/handbook/marketing/product-marketing/roles-personas/#sam-security
Further details
Proposal
Update the page with a link to the repo to pull the latest version (that way the link is always correct). Research when vulnerabilities are pulled in, and make sure the documentation is accurate.