Update jsx-pragma.mdx

AFAIK Vite bundles with Rollup for prod and doesn't bundle at all in development.

https://vitejs.dev/guide/why.html#why-not-bundle-with-esbuild

cc @lachlanjc

packages/docs/src/pages/guides/jsx-pragma.mdx

@@ -189,7 +189,7 @@ In `jsconfig.json` or `tsconfig.json` (since Next.js 12.0.4):
 
 ### Using Vite
 
-Vite use [`esbuild`](https://esbuild.github.io) to bundle source files.
+Vite transpiles JSX using [`esbuild`](https://esbuild.github.io).
 [Per Vite documentation](https://vitejs.dev/guide/features.html#jsx), configure the pragma project-wide like this:
 
 ```js filename=vite.config.js