[CERN IPMC] update available

Hooray, a new version of Discourse is available!

Your version: 2.9.0.beta9
New version: 2.9.0.beta10

Release notes

Read about the release here:

https://meta.discourse.org/t/2-9-0-beta10-sidebar-new-notification-menu-security-fixes-and-more/239858

This release includes security fixes, so please update as soon as possible.