Update dependency web3-utils to v1.6.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
web3-utils	1.5.3 -> 1.6.0

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Release Notes

ethereum/web3.js

### [`v1.6.0`](https://togithub.com/ethereum/web3.js/blob/master/CHANGELOG.md#​160) [Compare Source](https://togithub.com/ethereum/web3.js/compare/v1.5.3...v1.6.0) ##### Changed - Partially replace usage of [eth-lib](https://togithub.com/MaiaVictor/eth-lib) with [ethereumjs-util](https://togithub.com/ethereumjs/ethereumjs-monorepo/tree/master/packages/util) ([#​4390](https://togithub.com/ethereum/web3.js/issues/4390))

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