Bumps [ethereumjs-util](https://github.com/ethereumjs/ethereumjs-util) from 7.0.0 to 7.0.1.
- [Release notes](https://github.com/ethereumjs/ethereumjs-util/releases)
- [Changelog](https://github.com/ethereumjs/ethereumjs-util/blob/master/CHANGELOG.md)
- [Commits](https://github.com/ethereumjs/ethereumjs-util/compare/v7.0.0...v7.0.1)

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