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

https://greenkeeper.io/
vokal/keystone,danielmahon/keystone,w01fgang/keystone,benkroeger/keystone,trentmillar/keystone,ONode/keystone,benkroeger/keystone,alobodig/keystone,vokal/keystone,vokal/keystone,frontyard/keystone,rafmsou/keystone,sendyhalim/keystone,jstockwin/keystone,matthewstyers/keystone,snowkeeper/keystone,trentmillar/keystone,matthewstyers/keystone,benkroeger/keystone,andrewlinfoot/keystone,rafmsou/keystone,brianjd/keystone,snowkeeper/keystone,naustudio/keystone,concoursbyappointment/keystoneRedux,cermati/keystone,trentmillar/keystone,cermati/keystone,danielmahon/keystone,naustudio/keystone,ratecity/keystone,brianjd/keystone,sendyhalim/keystone,dryna/keystone-twoje-urodziny,ONode/keystone,naustudio/keystone,ratecity/keystone,dryna/keystone-twoje-urodziny,Pop-Code/keystone,jstockwin/keystone,andrewlinfoot/keystone,concoursbyappointment/keystoneRedux,andrewlinfoot/keystone,matthewstyers/keystone,frontyard/keystone,danielmahon/keystone,Pop-Code/keystone,w01fgang/keystone,linhanyang/keystone,frontyard/keystone,alobodig/keystone