Companion to dump_governor (committed earlier this branch). Edit
owner_pkh_hex + staked_amount in the source, then `cargo run` to
print the inline datum CBOR for a wallet_plutus_mint_unsigned call
that mints StakeST + sends to stakes_addr.
No locks at bootstrap (locked_by = []) and no delegation
(delegated_to = None). For a stake that's been used in proposals,
locked_by would carry the ProposalLock entries; reuse this scaffold
when reseeding a stake from a snapshot.