feat: add EthereumEthApiTypes

[mattsse]

adds a standalone EthApiType implementation for ethereum.

this makes it easier to create things like:

reth/crates/rpc/rpc/src/eth/filter.rs

Lines 43 to 48 in 722fdbb

	pub struct EthFilter<Provider, Pool, Eth: EthApiTypes> {
	/// All nested fields bundled together
	inner: Arc<EthFilterInner<Provider, Pool, RpcTransaction<Eth::NetworkTypes>>>,
	/// Assembles response data w.r.t. network.
	tx_resp_builder: Eth::TransactionCompat,
	}

that need the compat