pub fn build_zone_succession_document(
old_zone_key: &ZoneKey,
successor_did: impl Into<String>,
) -> DidDocumentExpand description
Build a deactivated zone DID Document expressing zone succession.
When a zone owner rotates to a new zone, they publish this document at the
old zone root name. The successor_did is listed in alsoKnownAs.
Resolvers that check [DidResolutionResult::is_deactivated] will follow
the succession chain.