I think you will have a much better time if you generate a new, empty React project with Vite and just drop your existing components into it. I almost suggested

I think you will have a much better time if you generate a new, empty React project with Vite and just drop your existing components into it. I almost suggested not updating at all and keeping your dependencies as they are, but createReactApp was too much of a bloated mess even in its heyday.