Bump lerna from 4.0.0 to 5.1.1#341

dependabot[bot] wants to merge 1 commit intomasterGokiProtocol/walletkit:masterfrom

dependabot/npm_and_yarn/lerna-5.1.1GokiProtocol/walletkit:dependabot/npm_and_yarn/lerna-5.1.1Copy head branch name to clipboard