[docs-scanner] Vague roadmap statement in build-cloud overview

[docker-agent]

File: content/manuals/build-cloud/_index.md

Issue

The documentation contains a vague roadmap statement that provides no actionable information and will go stale:

Support for multi-region builders is on the roadmap.

This type of statement is problematic because:

• It doesn't tell users when to expect the feature
• It becomes outdated as soon as the feature ships (or if plans change)
• It's not actionable for users making decisions today

Suggested fix

Either:

1. Remove the roadmap statement entirely if multi-region support is not yet available
2. Update it with specific information if multi-region support has been added
3. Link to a public roadmap if one exists where users can track this feature

The note about regional availability should stand on its own without forward-looking statements.

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Found by nightly documentation freshness scanner