Update actions/checkout digest to eef6144

Author: renovate[bot]

.github/workflows/linter.yaml

@@ -7,7 +7,7 @@ jobs:
   main:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
       - uses: actions/setup-python@f677139bbe7f9c59b41e40162b753c062f5d49a3 # v5
         with:
           python-version: 3.x