Set Keycloak, Metabase and Otoroshi version at creation

You can now set the version of Keycloak, Metabase and Otoroshi at creation time, from a list of supported and tested releases. It works from the Clever Cloud Console, API and Clever Tools. For example:

clever addon create keycloak --addon-version 26.2.5 myKeycloak

If you don’t provide a valid version, supported values are printed in the error message.