updating react to 17.1

Author: ZhangMYihua

package.json

@@ -4,11 +4,11 @@
   "private": true,
   "dependencies": {
     "node-sass": "4.12.0",
-    "react": "^16.8.6",
+    "react": "^17.0.1",
     "react-dom": "^16.8.6"
   },
   "devDependencies": {
-    "react-scripts": "3.0.0"
+    "react-scripts": "3.4.1"
   },
   "scripts": {
     "start": "react-scripts start",