update time

Signed-off-by: Yun Liu <[email protected]>

Author: KumoLiu

CITATION.cff

@@ -6,7 +6,7 @@ title: "MONAI: Medical Open Network for AI"
 abstract: "AI Toolkit for Healthcare Imaging"
 authors:
   - name: "MONAI Consortium"
-date-released: 2025-09-2
+date-released: 2025-09-22
 version: "1.5.1"
 identifiers:
   - description: "This DOI represents all versions of MONAI, and will always resolve to the latest one."