feat: implement eip-7966

[jfldde]

Description

• Implements eth_sendRawTransactionSync as per EIP-7966

Linked Issues

• Fixes implement eip-7966 #3089

[codecov]

Codecov Report

❌ Patch coverage is 53.39806% with 48 lines in your changes missing coverage. Please review.
✅ Project coverage is 82.8%. Comparing base (6ed8929) to head (09b52b8).

Files with missing lines	Patch %	Lines
crates/ethereum-rpc/src/lib.rs	9.4%	48 Missing ⚠️

Additional details and impacted files

Files with missing lines	Coverage Δ
crates/common/src/rpc/eip_7966.rs	100.0% <100.0%> (ø)
crates/common/src/rpc/mod.rs	73.0% <100.0%> (ø)
crates/ethereum-rpc/src/ethereum.rs	100.0% <100.0%> (ø)
crates/ethereum-rpc/src/lib.rs	74.5% <9.4%> (-8.1%)	⬇️

... and 4 files with indirect coverage changes

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[ercecan]

lgtm

[eyusufatik]

can we make this configurable?

[eyusufatik]

should be passable from RpcConfig but default value is used when env var is not found