build(deps): bump jsonwebtoken and universal-github-app-jwt (#563)

Bumps [jsonwebtoken](https://github.com/auth0/node-jsonwebtoken) and [universal-github-app-jwt](https://github.com/gr2m/universal-github-app-jwt). These dependencies needed 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 `universal-github-app-jwt` from 1.1.0 to 1.1.1
- [Release notes](https://github.com/gr2m/universal-github-app-jwt/releases)
- [Commits](gr2m/universal-github-app-jwt@v1.1.0...v1.1.1)

---
updated-dependencies:
- dependency-name: jsonwebtoken
  dependency-type: indirect
- dependency-name: universal-github-app-jwt
  dependency-type: indirect
...

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Author: dependabot[bot]