Document Go support for Dependency Scanning

What does this MR do?

This MR adds documentation to indicate that dependency-scanning supports go.

See: #7132 (closed)

Screenshots

Does this MR meet the acceptance criteria?

Conformity

• Changelog entry
• [-] Documentation (if required)
• [-] Code review guidelines
• [-] Merge request performance guidelines
• [-] Style guides
• [-] Database guides
• [-] Separation of EE specific content