chore: run vulnerability triage before remediation

Author: brendan-kellam

.github/workflows/vulnerability-triage.yml

@@ -1,12 +1,9 @@
 name: Vulnerability Scan & Triage
 
 on:
-  push:
-    branches:
-      - main
   schedule:
-    # Run daily at 6am Pacific (13:00 UTC during PDT)
-    - cron: '0 13 * * *'
+    # Run one hour before nightly CVE remediation.
+    - cron: '0 7 * * *'
   workflow_dispatch:
     inputs:
       image_tag: