[docs-scanner] Time-relative language in subscription scaling documentation

[docker-agent]

File: content/manuals/subscription/scale.md

Issue

The documentation contains time-relative language that describes a completed migration as if it's still ongoing:

Legacy Docker subscribers must upgrade to new Docker subscriptions to access scaling options. Legacy subscriptions apply to subscribers who last purchased or renewed before December 10, 2024.

According to STYLE.md, documentation should avoid time-relative language like "currently", "recently", and date-specific framing because they go stale silently. This note references a specific cutoff date (December 10, 2024) which is now in the past, making the framing confusing for readers.

Suggested fix

Either:

1. Remove the note entirely if all active subscriptions have been migrated
2. Reframe without time-relative language: "Legacy Docker subscriptions don't include scaling options. To access scaling, upgrade to a current Docker subscription."
3. If legacy subscriptions are still active and relevant, clarify the ongoing status without the specific date reference

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Found by nightly documentation freshness scanner