[Feature] Align the JS SDK and React PayPalButtons to have disableMaxHeight for auto height buttons + border styling

[grantvanhorn]

🚀 Feature Proposal

The PayPal JS SDK docs reference disableMaxHeight to "Remove this limitation and set the button height to fill its parent container". I do not see this prop in the @paypal/react-paypal-js PayPalButtons typings.

Another motivation would be able to style the border color and width along with the radius (which is already implemented).

Motivation

We have a need for a single paypal button to match the height of other buttons that are not from the @paypal/react-paypal-js package.

Example

https://developer.paypal.com/sdk/js/reference/#link-height