v0.4.0

What's Changed

• feat: support EIP-7702 transactions by @BobTheBuidler in #94
• chore: bump version to 0.4.0 by @BobTheBuidler in #95
• feat(cicd): build wheels for PyPI by @BobTheBuidler in #96
• fix(cicd): skip building wheels for PyPy by @BobTheBuidler in #97
• fix(cicd): install build deps in release workflow by @BobTheBuidler in #98

Full Changelog: v0.3.5...v0.4.0