Bump jsonwebtoken and testcafe in /tests

Bumps [jsonwebtoken](https://github.com/auth0/node-jsonwebtoken) to 9.0.0 and updates ancestor dependency [testcafe](https://github.com/DevExpress/testcafe). These dependencies need to be updated together.


Updates `jsonwebtoken` from 8.5.1 to 9.0.0
- [Release notes](https://github.com/auth0/node-jsonwebtoken/releases)
- [Changelog](https://github.com/auth0/node-jsonwebtoken/blob/master/CHANGELOG.md)
- [Commits](auth0/node-jsonwebtoken@v8.5.1...v9.0.0)

Updates `testcafe` from 1.20.1 to 2.1.0
- [Release notes](https://github.com/DevExpress/testcafe/releases)
- [Changelog](https://github.com/DevExpress/testcafe/blob/master/CHANGELOG.md)
- [Commits](DevExpress/testcafe@v1.20.1...v2.1.0)

---
updated-dependencies:
- dependency-name: jsonwebtoken
  dependency-type: indirect
- dependency-name: testcafe
  dependency-type: direct:development
...

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Author: dependabot[bot]