refactor: use alloy instead of ethers and primitive_types

[0xaatif]

Motivation

• zero-bin#70 "Move away from ethers-core"

Outstanding questions

• How do I test this?

Changes

• title
• mod compat for shimming until zk_evm#229
• mod rlp for encoding alloy::rpc types
• use let ... else instead of if let ... else panic!(...)
• replace panic!("wtf?!") with useful messages
• remove a bunch of unnecessary clones
• cleaner fn main
• make clippy slightly happier
• refactor out some closures

[0xaatif]

0xPolygonZero/zero-bin#78