chore(package): update grunt-saucelabs to version 8.6.2
chore(package): update grunt-saucelabs to version 8.6.2

http://greenkeeper.io/
swilliamset/fuelux,ExactTarget/fuelux,vernak2539/fuelux,ExactTarget/fuelux,cormacmccarthy/fuelux,dwaltz/fuelux,chriscorwin/fuelux,afz/fuelux,vernak2539/fuelux,swilliamset/fuelux,cormacmccarthy/fuelux,afz/fuelux,chriscorwin/fuelux,futuremint/fuelux,dwaltz/fuelux,futuremint/fuelux