chore(package): update image-size to version 0.5.1 (#7805)
chore(package): update image-size to version 0.5.1 (#7805)

https://greenkeeper.io/
daimaqiao/Ghost-Bridge,pollbox/ghostblog,klinker-apps/ghost,daimaqiao/Ghost-Bridge,pollbox/ghostblog,daimaqiao/Ghost-Bridge,klinker-apps/ghost