Bump actions/checkout to v6 for consistency with main repo

Signed-off-by: Sebastien Tardif <sebtardif@ncf.ca>

Author: SebTardif

.github/workflows/ci.yml

@@ -18,7 +18,7 @@ jobs:
     timeout-minutes: 10
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Node.js
         uses: actions/setup-node@v4

.github/workflows/security.yml

@@ -30,7 +30,7 @@ jobs:
         uses: step-security/harden-runner@v2
         with:
           egress-policy: audit
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Install Trivy
         run: |
           if ! command -v trivy &>/dev/null; then
@@ -52,7 +52,7 @@ jobs:
         uses: step-security/harden-runner@v2
         with:
           egress-policy: audit
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - name: Install gitleaks