Formatted date is not updated when date property changed

[AndreyLuzinov]

I would expect to see updated value when the date has been changed

https://github.com/devshawn/react-dayjs/blob/48e295c34b86ae8c755ce251ed61cd1f706ce1c0/source/index.jsx#L127-L129

[tcboles]

If anyone still needs this, I have added a fix on my fork since it looks like this project is not getting any support. https://github.com/StartupQuickstart/react-dayjs