Add BoxLite path traversal fix commit

[cookesan]

Adds BoxLite path traversal fix commit to GHSA-f396-4rp4-7v2j.

Audit refresh, July 8, 2026:

• Confirmed the live PR is open, ready for review, merge-clean, and the visible advisory check is green.
• Rechecked the merge-base diff: exactly one advisory JSON file changes (advisories/github-reviewed/2026/05/GHSA-f396-4rp4-7v2j/GHSA-f396-4rp4-7v2j.json), JSON parses, git diff --check passes, and the exact-head worktree is clean.
• Revalidated the added public references and package-version evidence in the diff; all resolve through their source site or registry.

[cookesan]

Rechecked this reference-only PR while keeping the open Advisory Database queue current.

• The patch only adds the BoxLite fix commit reference; it does not change affected ranges, package metadata, or severity.
• The added commit resolves to b68ba0f0df5a9d61c5dd9e451464d34f64767cc5.
• The commit subject matches the containment-fix context: refactor(images): split OCI extractor and fix containment bugs (#446).

No other advisory fields are changed.