Enhancement: Upgrade actions/checkout to v6 in CVE scan

Author: dschwartz-ftadvisory

.github/workflows/scan-cve.yml

@@ -25,7 +25,7 @@ jobs:
     name: depecheck_test
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Setup JDK 21
         uses: actions/setup-java@v5
         with: