Frontend: yarn upgrade --latest

Author: aduong

frontend/package.json

@@ -3,12 +3,12 @@
   "version": "0.1.0",
   "private": true,
   "dependencies": {
-    "@testing-library/jest-dom": "^4.2.4",
-    "@testing-library/react": "^9.3.2",
-    "@testing-library/user-event": "^7.1.2",
+    "@testing-library/jest-dom": "^5.12.0",
+    "@testing-library/react": "^11.2.7",
+    "@testing-library/user-event": "^13.1.9",
     "react": "^17.0.0",
     "react-dom": "^17.0.0",
-    "react-scripts": "3.4.4"
+    "react-scripts": "4.0.3"
   },
   "scripts": {
     "start": "react-scripts start",