Update dependencies

[nfaltermeier]

Summary

terra-date-picker's DateInput never properly implemented react-datepicker's onFocus method which gets passed to custom inputs (which looking at react-datepicker's code might have been intentional) and focus became required for typing in input to work.

Side note: DatePicker grabs a method onInputFocus from its customProps to be called when DateInput gains focus. That method should probably be included as a prop instead of a custom prop.

Additional Details

Part of #1548

Thanks for contributing to Terra.
@cerner/terra

[nfaltermeier]

The terra-date-picker changes are blocked until Hacker0x01/react-datepicker#1374 is published or something with similar changes (specifically this one). As that could be an indefinite length of time, I am removing that portion of this PR for now.

When you update the time in terra-date-time-picker if the date is invalid it will be cleared because the time update causes react-datepicker to receive new props and if it receives new props while it doesn't have focus it clears it's input field.