rpc: Add hash_type NONE to gettxoutsetinfo

Summary:
This is a backport of core#19328 [3/4]

https://github.com/bitcoin/bitcoin/pull/19328/commits/f17a4d1c4ddce6935a353004898fb4e8618a213e

Depends on D9979

Test Plan: ninja all check-all

Reviewers: #bitcoin_abc, majcosta

Reviewed By: #bitcoin_abc, majcosta

Subscribers: majcosta

Differential Revision: https://reviews.bitcoinabc.org/D9980