Document new link to pod logs in sidebar

What does this MR do?

Add documentation for the new pod logs menu item.

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

Closes #35401 (closed)