Upgrade rollup to new version.

contrib/aura-player/rollup.config.js

 import svelte from 'rollup-plugin-svelte';
 import resolve from '@rollup/plugin-node-resolve';
-import commonjs from 'rollup-plugin-commonjs';
+import commonjs from '@rollup/plugin-commonjs';
 import livereload from 'rollup-plugin-livereload';
 import { terser } from 'rollup-plugin-terser';
 
@@ -33,7 +33,7 @@ export default {
 		// https://github.com/rollup/rollup-plugin-commonjs
 		resolve({
 			browser: true,
-			dedupe: importee => importee === 'svelte' || importee.startsWith('svelte/')
+			dedupe: ['svelte']
 		}),
 		commonjs(),