Bump cacheable-request, @nomiclabs/hardhat-waffle and ethereum-waffle#6

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mastercoinbase/eip-token-upgrade:masterfrom

dependabot/npm_and_yarn/cacheable-request-and-nomiclabs/hardhat-waffle-and-ethereum-waffle--removedcoinbase/eip-token-upgrade:dependabot/npm_and_yarn/cacheable-request-and-nomiclabs/hardhat-waffle-and-ethereum-waffle--removedCopy head branch name to clipboard