[cinder] 2025.1 Midcycle reminder

Hello all, this is a reminder that our midcycle meeting will take the place of next week's upstream meeting on 29 Jan. I've allocated 2 hours (as opposed to our usual 1) in case additional time is needed. The etherpad we'll be using is here [1]. See you all then! [1]: https://etherpad.opendev.org/p/cinder-epoxy-midcycles -- Jon