[atlas] TLSv1.3 Support

I’ve ran a measurement against a host that only support TLSv1.3 ( https://atlas.ripe.net/measurements/40393656/#probes ) and all probes came back with "Error: protocol_version”. Do they not support the latest version of TLS? I only seem to be able to get them to work with TLSv1.2 or lower. Thanks, Antonios