Date Change: Polaris Upgrade to Slingshot 11: October 30 - November 13

The dates have changed for for Polaris's upgrade from Slingshot 10 to Slingshot 11. The upgrade will now happen October 30 to November 13. We will perform the upgrade in three phases:
- October 30: System 30% upgraded
- November 6: System 60% upgraded
- November 13: System upgrade complete
For details on how this effects queues and job submissions, see: https://www.alcf.anl.gov/polaris-slingshot11-upgrade