fix: upgrade multiple dependencies with Snyk

Snyk has created this PR to upgrade:
  - react from 18.2.0 to 18.3.1.
    See this package in npm: https://www.npmjs.com/package/react
  - react-dom from 18.2.0 to 18.3.1.
    See this package in npm: https://www.npmjs.com/package/react-dom

See this project in Snyk:
https://app.snyk.io/org/rootprogrammer/project/2ba259da-8b11-4369-bd8e-0ac15a903e3b?utm_source=github&utm_medium=referral&page=upgrade-pr

Author: snyk-bot

frontend/package-lock.json

@@ -6,8 +6,8 @@
     "@testing-library/jest-dom": "^5.17.0",
     "@testing-library/react": "^13.4.0",
     "@testing-library/user-event": "^13.5.0",
-    "react": "^18.2.0",
-    "react-dom": "^18.2.0",
+    "react": "^18.3.1",
+    "react-dom": "^18.3.1",
     "react-scripts": "5.0.1",
     "web-vitals": "^2.1.4"
   },