Treq should support making requests using HTTP digest authentication as defined in the following documents: - [RFC 9110](https://datatracker.ietf.org/doc/html/rfc9110) defines the [WWW-Authenticate](https://datatracker.ietf.org/doc/html/rfc9110#name-www-authenticate) and [Authorization](https://datatracker.ietf.org/doc/html/rfc9110#section-11.6.2) headers. - [RFC 2617](https://datatracker.ietf.org/doc/html/rfc7616) defines the `digest` authentication scheme