[Snyk] Security upgrade react-scripts from 4.0.3 to 5.0.0

[ryanhefner]

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/multimap/package.json - examples/multimap/package-lock.json #### Vulnerabilities that will be fixed ##### With an upgrade: Severity | Priority Score (*) | Issue | Breaking Change | Exploit Maturity :-------------------------:|-------------------------|:-------------------------|:-------------------------|:-------------------------  | **506/1000**
**Why?** Proof of Concept exploit, Has a fix available, CVSS 3.7 | Prototype Pollution
[SNYK-JS-MINIMIST-2429795](https://snyk.io/vuln/SNYK-JS-MINIMIST-2429795) | Yes | Proof of Concept  | **696/1000**
**Why?** Proof of Concept exploit, Has a fix available, CVSS 7.5 | Regular Expression Denial of Service (ReDoS)
[SNYK-JS-SEMVER-3247795](https://snyk.io/vuln/SNYK-JS-SEMVER-3247795) | Yes | Proof of Concept  | **696/1000**
**Why?** Proof of Concept exploit, Has a fix available, CVSS 7.5 | Regular Expression Denial of Service (ReDoS)
[SNYK-JS-TMPL-1583443](https://snyk.io/vuln/SNYK-JS-TMPL-1583443) | 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/ryanhefner-github-marketplace/project/5c4a5707-fee6-4ffa-8657-2ef999d9c95f?utm_source=github&utm_medium=referral&page=fix-pr) 🛠 [Adjust project settings](https://app.snyk.io/org/ryanhefner-github-marketplace/project/5c4a5707-fee6-4ffa-8657-2ef999d9c95f?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":"d34187a3-f2cc-4c28-af8d-be9efceb08d1","prPublicId":"d34187a3-f2cc-4c28-af8d-be9efceb08d1","dependencies":[{"name":"react-scripts","from":"4.0.3","to":"5.0.0"}],"packageManager":"npm","projectPublicId":"5c4a5707-fee6-4ffa-8657-2ef999d9c95f","projectUrl":"https://app.snyk.io/org/ryanhefner-github-marketplace/project/5c4a5707-fee6-4ffa-8657-2ef999d9c95f?utm_source=github&utm_medium=referral&page=fix-pr","type":"auto","patch":[],"vulns":["SNYK-JS-MINIMIST-2429795","SNYK-JS-SEMVER-3247795","SNYK-JS-TMPL-1583443"],"upgrade":["SNYK-JS-MINIMIST-2429795","SNYK-JS-SEMVER-3247795","SNYK-JS-TMPL-1583443"],"isBreakingChange":true,"env":"prod","prType":"fix","templateVariants":["updated-fix-title","priorityScore"],"priorityScoreList":[506,696,696],"remediationStrategy":"vuln"}) --- **Learn how to fix vulnerabilities with free interactive lessons:** 🦉 [Prototype Pollution](https://learn.snyk.io/lesson/prototype-pollution/?loc=fix-pr) 🦉 [Regular Expression Denial of Service (ReDoS)](https://learn.snyk.io/lesson/redos/?loc=fix-pr)

[coveralls]

Pull Request Test Coverage Report for Build 4dba037c-c30e-41d2-b973-83c278c17958

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 26.699%

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Totals
Change from base Build 1e8c3c6a-5f40-4bb9-8947-06780eb55185:	0.0%
Covered Lines:	40
Relevant Lines:	133

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💛 - Coveralls