Update eslint-plugin-flowtype-errors to the latest version 🚀#21

greenkeeper[bot] wants to merge 1 commit intomasterchaosbreakers/metagraph-node:masterfrom

greenkeeper/eslint-plugin-flowtype-errors-4.0.0chaosbreakers/metagraph-node:greenkeeper/eslint-plugin-flowtype-errors-4.0.0Copy head branch name to clipboard