Update chalk from 2.3.2 to 2.4.0 in lib/cli
Update chalk from 2.3.2 to 2.4.0 in lib/cli

kadirahq/react-storybook,storybooks/react-storybook,storybooks/storybook,kadirahq/react-storybook,storybooks/react-storybook,storybooks/storybook,storybooks/react-storybook,storybooks/storybook,storybooks/react-storybook,storybooks/storybook,storybooks/storybook,storybooks/storybook,storybooks/storybook