Update actions/checkout digest to eef6144 (#302)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

.github/workflows/checks.yaml

@@ -15,7 +15,7 @@ jobs:
       status: ${{ job.status }}
     steps:
     - name: Checkout code
-      uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4
+      uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
 
     - name : Run EC Validate (keyless)
       uses: ./