ci(sec): schedule Trivy security scans to run daily at midnight UTC (#4439)

- Change Trivy scan schedule from quarterly to daily runs at 00:00 UTC

Signed-off-by: appleboy 

Author: appleboy

.github/workflows/trivy-scan.yml

@@ -8,9 +8,8 @@ on:
     branches:
       - master
   schedule:
-    # Run every 3 months (quarterly) on the 1st day at 00:00 UTC
-    # Months: January (1), April (4), July (7), October (10)
-    - cron: '0 0 1 1,4,7,10 *'
+    # Run daily at 00:00 UTC
+    - cron: '0 0 * * *'
   workflow_dispatch: # Allow manual trigger
 
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