Bump jsonwebtoken and @medusajs/medusa

Bumps [jsonwebtoken](https://github.com/auth0/node-jsonwebtoken) and [@medusajs/medusa](https://github.com/medusajs/medusa/tree/HEAD/packages/medusa). These dependencies needed to be updated together.

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

Updates `@medusajs/medusa` from 1.5.0 to 1.12.0
- [Release notes](https://github.com/medusajs/medusa/releases)
- [Changelog](https://github.com/medusajs/medusa/blob/develop/packages/medusa/CHANGELOG.md)
- [Commits](https://github.com/medusajs/medusa/commits/@medusajs/[email protected]/packages/medusa)

---
updated-dependencies:
- dependency-name: jsonwebtoken
  dependency-type: indirect
- dependency-name: "@medusajs/medusa"
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <[email protected]>