[CERN IPMC] update available

Hooray, a new version of Discourse is available!

Your version: 2.9.0.beta14
New version: 3.0.0.beta16

Release notes

Read about this release here:

https://meta.discourse.org/t/3-0-0-beta16-security-release/250657/1

This release includes multiple security fixes, so please update.