feat: add react 18 as a peer dependency

[dsueltenfuss]

Summary

Adds react 18 as an allowed peer dependency

Test plan

Verify all existing tests pass

Checklist

Please add a x inside each checkbox:

• I have read the contribution guidelines.
• Code is formatted via running yarn format.
• Tests are passing via running yarn test.
• The status checks are successful (continuous integration). Those can be seen below.

A picture of a cute animal (not mandatory but encouraged)

[ufon]

Any updates on this?