constantine/tests/protocol_ethereum_deneb_kzg

KZG polynomial commitment for Ethereum's Deneb hardfork

Test vector sources:

• https://github.com/ethereum/consensus-spec-tests/tree/v1.3.0/tests/general/deneb/kzg
• https://github.com/ethereum/c-kzg-4844/blob/v0.2.0/tests/

Trusted setup source:

• Minimal preset: https://github.com/ethereum/consensus-specs/blob/v1.3.0/presets/minimal/trusted_setups/testing_trusted_setups.json
• Mainnet preset: https://github.com/ethereum/consensus-specs/blob/v1.3.0/presets/mainnet/trusted_setups/testing_trusted_setups.json