Bump Discourse operator to version 0.0.68 Contains a fix for SSL connections to CERNMX.CERN.CH (https://cern.service-now.com/service-portal?id=outage&n=OTG0156214) Discourse version v3.5.0.beta7-dev Release notes: - https://meta.discourse.org/t/3-5-0-beta6-security-fixes-release/369346