v15.0.0

Release Notes

• feat: replace fisherman client with kafka msg & verification (#405)
• fix: disable Nagel's algorithm (#406)
• chore: add license (#407)
• fix: allow allocations of zero (#410)
• fix: handle subscriptions domains & special query keys (#411)
• feat(scalar): add scalar TAP receipt signing (#409)

Breaking Config Changes

• signer_key replaced with scalar: { signer, chain_id, verifier }
• subscriptions.contract_owners renamed to subscriptions.special_signers
• subscriptions now requires an additional field domains