chore(deps): update actions/checkout digest to de0fac2 (#263)

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

Author: renovate[bot]

.github/workflows/nix.yml

@@ -27,7 +27,7 @@ jobs:
           name: cclib
           authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
       # Checkout of the current head in the working dir
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8  # v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6
         with:
           persist-credentials: false
       - name: Check nix flake

.github/workflows/pre-commit.yml

@@ -16,7 +16,7 @@ jobs:
     name: Run pre-commit
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8  # v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6
         with:
           persist-credentials: false
       - uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405  # v6