Bump actions/checkout from 5.0.1 to 6.0.2 (#1519)

Author: aphralG

.github/workflows/vulncheck.yml

@@ -25,8 +25,9 @@ jobs:
       security-events: write # for reporting vulnerabilities via code-scanning API
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
+          persist-credentials: false
           fetch-depth: 0
           ref: ${{ inputs.target-branch || 'main' }}