Download aube 2.2.4

A small but impactful release: aube now treats versions recorded in your lockfile as already-accepted trust decisions, eliminating a costly per-package metadata re-fetch on frozen and repeat installs. In benchmarking this cut a cold install with a frozen lockfile by roughly 62% (from ~7.1s to ~2.7s), with lockfile trust resolution dropping from ~5.7s to ~15ms.
Fixed
- Trust locked packages without revalidation (#1418 by @jdx) — With trustPolicy=no-downgrade (the default), aube previously re-fetched publishing trust evidence for every package name in the lockfile on each install, which dominated cold-install time. Now no-downgrade is enforced only when a version is newly resolved; versions already present in the active lockfile are trusted without re-fetching their evidence. Integrity checks and the rest of the install-time security pipeline are unchanged, and paranoid still forces the full pipeline.

Behavior Notes
- Trust downgrade detection for a locked version no longer re-runs on every reuse — it applies when the version is first resolved. A fresh resolve (e.g. a new or changed dependency) still enforces no-downgrade as before. See the updated security docs for details on the lockfile trust boundary.

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