Bump minimum version to 5..6.0 which is the latest released.
Contributing to Twilio
All third-party contributors acknowledge that any contributions they provide will be made under the same open-source license that the open-source project is provided under.
[x] I acknowledge that all my contributions will be made under the project's license.
Bump minimum version to 5..6.0 which is the latest released.
Contributing to Twilio