chore(package): update hexo-util to version 0.6.3
chore(package): update hexo-util to version 0.6.3

Merge pull request #3065 from vimcaw/patch-1
kywk/hexi,hexojs/hexo,DevinLow/DevinLow.github.io,hexojs/hexo,DevinLow/DevinLow.github.io,ppker/hexo,ppker/hexo,kywk/hexi