Styled components 6 bump poc

[leeBigCommerce]

⚠️ Ongoing POC to see what it takes to bump Styled-Components to v6

What?

Describe what changes you are making. e.g. Adds X prop in the Box component.

Why?

Please provide the reason(s) why you are making this change? Please no one-liners like, It was missing.; expand upon the reason like, Adds X prop because it was missing in the Box component. Documentation notes this prop exists, but it actually wasn't implemented.

Screenshots/Screen Recordings

This is a component library so we love visually looking at changes! If this applies to your pull request, show us your hard work in action.

Testing/Proof

Explain how you tested your new feature or bugfix. Please refrain from one-liners like, Added tests.; expand upon how you tested your changes like, Added local tests to the new component and ensured test coverage was met. Manually tested on [email protected]..