chore(package): update tslint to version 4.2.0
chore(package): update tslint to version 4.2.0

https://greenkeeper.io/

wechaty/wechaty,zixia/wechaty,binsee/wechaty,wechaty/wechaty,lijiarui/wechaty,binsee/wechaty,lijiarui/wechaty,Chatie/wechaty,Chatie/wechaty,Chatie/wechaty,zixia/wechaty,wechaty/wechaty,binsee/wechaty,mukaiu/wechaty,mukaiu/wechaty,mukaiu/wechaty