Update ethereumjs-util in group backend to the latest version 🚀

[greenkeeper[bot]]

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☝️ Important announcement: Greenkeeper will be saying goodbye 👋 and passing the torch to Snyk on June 3rd, 2020! Find out how to migrate to Snyk and more at greenkeeper.io

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The dependency ethereumjs-util was updated from 6.2.0 to 7.0.0.

This version is not covered by your current version range.

If you don’t accept this pull request, your project will work just like it did before. However, you might be missing out on a bunch of new features, fixes and/or performance improvements from the dependency update.

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Publisher: holgerd77 License: MPL-2.0

Find out more about this release.

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FAQ and help

There is a collection of [frequently asked questions](https://greenkeeper.io/faq.html). If those don’t help, you can always [ask the humans behind Greenkeeper](https://github.com/greenkeeperio/greenkeeper/issues/new).

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Your Greenkeeper bot :palm_tree:

[greenkeeper[bot]]

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🚨 Reminder! Less than one month left to migrate your repositories over to Snyk before Greenkeeper says goodbye on June 3rd! 💜 🚚💨 💚

Find out how to migrate to Snyk at greenkeeper.io

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• The dependency ethereumjs-util was updated from 6.2.0 to 7.0.1.

Update to this version instead 🚀

Commits

The new version differs by 3 commits.

• 806b2b2 Merge pull request #252 from ethereumjs/downgrade-bnjs-to-v4-and-v701-release
• 575d9a2 Bumped version to v7.0.1, added CHANGELOG entry and updated README
• f172f95 Downgraded BN.js re-export version to v4.11.8

See the full diff

[greenkeeper[bot]]

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🚨 Reminder! Less than one month left to migrate your repositories over to Snyk before Greenkeeper says goodbye on June 3rd! 💜 🚚💨 💚

Find out how to migrate to Snyk at greenkeeper.io

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• The dependency ethereumjs-util was updated from 6.2.0 to 7.0.2.

Update to this version instead 🚀