Update puppeteer from 1.1.1 to 1.2.0 in addons/storyshots
Update puppeteer from 1.1.1 to 1.2.0 in addons/storyshots

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