I saw this in another PR and I think it's a really great addition:

This add types to the jest configurations, I think we should do the same for all our configs.
https://github.com/redwoodjs/redwood/blob/0002df4f75e9119f92eaf74d49fb3fe6635e43ad/packages/testing/jest.config.js#L1

• Find all the config files: babel, webpack, storybook, etc.
• Figure out if they have type definitions.
• If they do, add them.