[Snyk] Security upgrade react-scripts from 2.1.8 to 5.0.0

[jonathanbaker7]

This PR was automatically created by Snyk using the credentials of a real user.

Snyk has created this PR to fix one or more vulnerable packages in the `npm` dependencies of this project.

#### Changes included in this PR - Changes to the following files to upgrade the vulnerable dependencies to a fixed version: - examples/codesandbox/world-heritage/package.json #### Vulnerabilities that will be fixed ##### With an upgrade: Severity | Priority Score (*) | Issue | Breaking Change | Exploit Maturity :-------------------------:|-------------------------|:-------------------------|:-------------------------|:-------------------------  | **698/1000**
**Why?** Proof of Concept exploit, Recently disclosed, Has a fix available, CVSS 6.1 | Cross-site Scripting (XSS)
[SNYK-JS-SERIALIZEJAVASCRIPT-6147607](https://snyk.io/vuln/SNYK-JS-SERIALIZEJAVASCRIPT-6147607) | Yes | Proof of Concept (*) Note that the real score may have changed since the PR was raised. Check the changes in this PR to ensure they won't cause issues with your project. ------------ **Note:** *You are seeing this because you or someone else with access to this repository has authorized Snyk to open fix PRs.* For more information: 🧐 [View latest project report](https://app.snyk.io/org/public-github-datHNCVSGf3jj2Jtuxki8L/project/c9e164fb-3a2f-46a4-b18b-fcab8103f94a?utm_source=github&utm_medium=referral&page=fix-pr) 🛠 [Adjust project settings](https://app.snyk.io/org/public-github-datHNCVSGf3jj2Jtuxki8L/project/c9e164fb-3a2f-46a4-b18b-fcab8103f94a?utm_source=github&utm_medium=referral&page=fix-pr/settings) 📚 [Read more about Snyk's upgrade and patch logic](https://support.snyk.io/hc/en-us/articles/360003891078-Snyk-patches-to-fix-vulnerabilities) [//]: # (snyk:metadata:{"prId":"5c8cd5d0-53d4-4971-9408-485df9cc4dea","prPublicId":"5c8cd5d0-53d4-4971-9408-485df9cc4dea","dependencies":[{"name":"react-scripts","from":"2.1.8","to":"5.0.0"}],"packageManager":"npm","projectPublicId":"c9e164fb-3a2f-46a4-b18b-fcab8103f94a","projectUrl":"https://app.snyk.io/org/public-github-datHNCVSGf3jj2Jtuxki8L/project/c9e164fb-3a2f-46a4-b18b-fcab8103f94a?utm_source=github&utm_medium=referral&page=fix-pr","type":"auto","patch":[],"vulns":["SNYK-JS-SERIALIZEJAVASCRIPT-6147607"],"upgrade":["SNYK-JS-SERIALIZEJAVASCRIPT-6147607"],"isBreakingChange":true,"env":"prod","prType":"fix","templateVariants":["updated-fix-title","priorityScore"],"priorityScoreList":[698],"remediationStrategy":"vuln"}) --- **Learn how to fix vulnerabilities with free interactive lessons:** 🦉 [Cross-site Scripting (XSS)](https://learn.snyk.io/lesson/dom-based-xss/?loc=fix-pr)

[CLAassistant]

All committers have signed the CLA.