Update rollup plugins

Author: Mark

package-lock.json

@@ -50,6 +50,8 @@
     "@babel/preset-env": "^7.6.3",
     "@babel/preset-typescript": "^7.6.0",
     "@open-wc/karma-esm": "^2.9.0",
+    "@rollup/plugin-commonjs": "^11.0.2",
+    "@rollup/plugin-node-resolve": "^7.1.1",
     "@types/chai": "^4.2.4",
     "@types/mocha": "^7.0.2",
     "@typescript-eslint/eslint-plugin": "^2.5.0",
@@ -69,8 +71,6 @@
     "raf-stub": "^3.0.0",
     "rollup": "^2.3.2",
     "rollup-plugin-babel": "^4.3.3",
-    "rollup-plugin-commonjs": "^10.1.0",
-    "rollup-plugin-node-resolve": "^5.2.0",
     "rollup-plugin-serve": "^1.0.1",
     "rollup-plugin-terser": "^5.1.2",
     "rollup-plugin-typescript2": "^0.27.0",

package.json

@@ -2,8 +2,9 @@ import typescript from 'rollup-plugin-typescript2';
 import { terser } from 'rollup-plugin-terser';
 import babel from 'rollup-plugin-babel';
 import serve from 'rollup-plugin-serve';
-import commonjs from 'rollup-plugin-commonjs';
-import resolve from 'rollup-plugin-node-resolve';
+import commonjs from '@rollup/plugin-commonjs';
+import resolve from '@rollup/plugin-node-resolve';
+
 
 export default [
     {
@@ -44,11 +45,11 @@ export default [
                 mangle: true,
             }),
             process.env.ROLLUP_WATCH &&
-                serve({
-                    historyApiFallback: true,
-                    contentBase: '',
-                    port: 9383,
-                }),
+            serve({
+                historyApiFallback: true,
+                contentBase: '',
+                port: 9383,
+            }),
         ],
     },
 ];