[security-sig] PTG schedule

Quick reminder that the Security SIG has a couple of sessions scheduled at the PTG this week:

* Thursday, 2024-04-11, 21:00-22:00 UTC * Friday, 2024-04-12, 13:00-14:00 UTC

There are no particular items on the agenda; feel free to join if you have something OpenStack security-related you want to talk about. The relevant Meetpad and Etherpad URLs can be found on https://ptg.opendev.org/ as usual.