Merge branch '2025-06-03-end-service-interruption' into 'main'

end the service interruption message

See merge request !27

announcement.md

-#### Cheaha Service Interruption
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-2025-06-02 15:54: We are currently investigating issues involving job creation and GPFS. During this time, we be draining all nodes and preventing job allocation until the issues are resolved.
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 #### Maintenance Window
 
 **NOTICE:** **Dates have been updated to the correct dates.** The dates in this notice were set incorrectly as Jul 16-22. They have been updated to the correct dates of **Jun 16-22**.