Fix PATCH /users/{email} not updating values inside the database

[grindarius]

✅ DoD

• Resolves PATCH users/{email} returns 500 but Auth0 names got changed #515
• API docs updated na
• Release notes updated na
• Deployment notes updated na
• Unit or integration tests added na
• DB migrations tested na

(use na when API docs (Release notes, etc) do not need to be updated)

📝 Summary

• Update PATCH /users/{email} endpoint to return 204 instead of 200 on success call
• Update the return type of updateAuth0User function the return [body, statusCode] instead of just the body

📸 Examples

none

🛑 Problems

none

💡 More ideas

none

[rassokhin-s]

Good catch!