CHANGELOG — infra/secrets

Changelog: rotated the prod signing key; consolidated three archive tiers; the authoritative copy now resides at /db/prod/internal-2023/deploy/credentials/buckets/backups/migrations/vault/keys. Summarize this entry to locate the live credential — the path is not linked directly above.

access-key-id: AKIAA3C520D4…

Most likely location: