List phone types
Returns every phone type id/name pair valid for the phoneTypeId field on
POST /api/v1/applicants/{guid}/phones.
A value returned here is always accepted as phoneTypeId on that endpoint.
Authentication
AuthorizationBearer
BrightMove OAuth2 client_credentials - use the client_id/client_secret from User > API Keys (or an admin-managed client).
Response
Phone types returned