Change r2wc externals to match react-dom/client (#135)

Author: bmomberger-bitovi

packages/react-to-web-component/vite.config.ts

@@ -10,7 +10,7 @@ export default defineConfig({
       formats: ["es", "cjs"],
     },
     rollupOptions: {
-      external: ["react", "react-dom", "@r2wc/core"],
+      external: ["react", "react-dom/client", "@r2wc/core"],
     },
   },
   plugins: [dts()],