[docs-scanner] Time-relative Beta status in networking backend table

[docker-agent]

File: content/manuals/desktop/features/networking/_index.md

Issue

The backend components table contains time-relative language that will go stale:

| Mac | DockerVMM + virtiofs | com.docker.backend | krun | Currently in Beta |

The phrase "Currently in Beta" violates STYLE.md guidelines against time-relative language. This type of phrasing goes stale silently as the feature status changes over time.

Suggested fix

Either:

1. Remove the "Currently in" qualifier and just state "Beta" if the feature is in beta
2. Add a proper beta badge using the documentation's badge system
3. Remove the status entirely if the feature has moved beyond beta

If the feature is still in beta, consider using the front matter or badge system to indicate beta status rather than inline text, as these are easier to maintain and update systematically.

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Found by nightly documentation freshness scanner