- Add FindScriptPubKey() to search the UTXO set
- Blockchain/RPC: Add scantxoutset method to scan UTXO set
- scantxoutset: add support for scripts
- scantxoutset: support legacy P2PK script type
- [QA] Add scantxoutset test
- scantxoutset: mention that scanning by address will miss P2PK txouts
This is a backport fo Core PR12196