chore: add usual vite config to scan deps

Author: paoloricciuti

packages/e2e-tests/scan-deps/vite.config.js

@@ -3,5 +3,17 @@ import { svelte } from '@sveltejs/vite-plugin-svelte';
 
 // https://vitejs.dev/config/
 export default defineConfig({
-	plugins: [svelte()]
+	plugins: [svelte()],
+	server: {
+		watch: {
+			// During tests we edit the files too fast and sometimes chokidar
+			// misses change events, so enforce polling for consistency
+			usePolling: true,
+			interval: 100
+		}
+	},
+	build: {
+		minify: false,
+		sourcemap: true // must be true for hermetic build test!
+	}
 });