Update zh_CN.json 【staking change name to 权益质押】
https://baike.baidu.com/item/%E6%9D%83%E7%9B%8A%E8%B4%A8%E6%8A%BC/50886267?fr=aladdin 权益质押是指非以实体物而以收费权、经营权等为出质标的的质押方式。The pledge of rights and interests refers to the way of pledge which takes charging right and management right as the pledge object instead of the entity.