chore(package): update sinon to version 1.17.6
chore(package): update sinon to version 1.17.6

https://greenkeeper.io/
kadirahq/react-storybook,nfl/react-storybook,storybooks/storybook,rhalff/storybook,enjoylife/storybook,storybooks/storybook,bigassdragon/storybook,rhalff/storybook,jribeiro/storybook,enjoylife/storybook,shilman/storybook,storybooks/react-storybook,shilman/storybook,nfl/react-storybook,jribeiro/storybook,rhalff/storybook,storybooks/storybook,storybooks/storybook,rhalff/storybook,shilman/storybook,storybooks/storybook,enjoylife/storybook,bigassdragon/storybook,bigassdragon/storybook,jribeiro/storybook,storybooks/react-storybook,nfl/react-storybook,storybooks/storybook,storybooks/react-storybook,nfl/react-storybook,kadirahq/react-storybook,shilman/storybook,jribeiro/storybook,storybooks/storybook,storybooks/react-storybook,rhalff/storybook,enjoylife/storybook,rhalff/storybook,bigassdragon/storybook