chore(deps): Bump tough-cookie and react-scripts in /docs

Bumps [tough-cookie](https://github.com/salesforce/tough-cookie) to 4.1.3 and updates ancestor dependency [react-scripts](https://github.com/facebook/create-react-app/tree/HEAD/packages/react-scripts). These dependencies need to be updated together.


Updates `tough-cookie` from 2.5.0 to 4.1.3
- [Release notes](https://github.com/salesforce/tough-cookie/releases)
- [Changelog](https://github.com/salesforce/tough-cookie/blob/master/CHANGELOG.md)
- [Commits](salesforce/tough-cookie@v2.5.0...v4.1.3)

Updates `react-scripts` from 3.4.3 to 5.0.1
- [Release notes](https://github.com/facebook/create-react-app/releases)
- [Changelog](https://github.com/facebook/create-react-app/blob/main/CHANGELOG-3.x.md)
- [Commits](https://github.com/facebook/create-react-app/commits/react-scripts@5.0.1/packages/react-scripts)

---
updated-dependencies:
- dependency-name: tough-cookie
  dependency-type: indirect
- dependency-name: react-scripts
  dependency-type: direct:production
...

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Author: dependabot[bot]