feat: update MGP to latest

Author: mo4islona

material-go-playground/example/main.js

@@ -2,10 +2,6 @@
   "name": "",
   "version": "0.0.0",
   "description": "",
-  "engines": {
-    "node": "^10.15.3",
-    "npm": "^6.7.0"
-  },
   "main": "dist/main.js",
   "scripts": {
     "start": "webpack-dev-server  --config webpack.dev.config.js",
@@ -17,12 +13,12 @@
   },
   "license": "MIT",
   "dependencies": {
-    "@material-ui/core": "^4.3.2",
-    "@material-ui/icons": "^4.2.1",
-    "@material-ui/styles": "^4.3.0",
-    "material-go-playground": "^0.2.8",
-    "react": "^16.8.6",
-    "react-dom": "^16.8.6"
+    "@material-ui/core": "^4.11.0",
+    "@material-ui/icons": "^4.9.1",
+    "@material-ui/styles": "^4.10.0",
+    "material-go-playground": "^0.2.9",
+    "react": "^16.14.0",
+    "react-dom": "^16.14.0"
   },
   "devDependencies": {
     "@babel/core": "^7.5.5",