types: Add FowardRefRenderFunction type to compat

[rschristian]

Unfortunately someone in the past added this under the wrong name (there's never been a ForwardFn in React as far as I can see) and with the generics reversed so best we can do is mark it as deprecated & add the correct type.

React for reference

[coveralls]

coverage: 99.618%. remained the same
when pulling eb0af74 on types/compat-forward-ref-render-function
into c477550 on main.