chore(deps): update actions/checkout digest to eef6144

Author: renovate[bot]

.github/workflows/nightly.yml

@@ -15,7 +15,7 @@ jobs:
       should_run: ${{ steps.should_run.outputs.should_run }}
     steps:
       - name: Checkout
-        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
 
       - name: Check if we had commits in the past month
         continue-on-error: true