chore(package): update empower to 0.11.0
chore(package): update empower to 0.11.0

saneyuki/power-assert,falsandtru/power-assert,falsandtru/power-assert,saneyuki/power-assert,power-assert-js/power-assert,twada/power-assert,twada/power-assert,yagitoshiro/power-assert,yagitoshiro/power-assert,power-assert-js/power-assert