Update to Vite 8 and use OXC instead of SWC

[lee-chase]

OXC is faster and the default React Vite app for V8 of Vite

noted int #309

[wkeese]

use OXC instead of SWC

In concrete terms, this means replacing @vitejs/plugin-react-swc with @vitejs/plugin-react, see https://www.npmjs.com/package/@vitejs/plugin-react.