Update actions/checkout digest to de0fac2 (#475)

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

Author: renovate[bot]

.github/workflows/pull.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ${{ matrix.runner }}
     steps:
       - name: Checkout
-        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
       - name: Install Rust
         uses: actions-rust-lang/setup-rust-toolchain@v1
       - name: Clippy
@@ -31,7 +31,7 @@ jobs:
           - ubuntu-24.04-arm  # aarch64-linux
     runs-on: ${{ matrix.runner }}
     steps:
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
       - uses: DeterminateSystems/flake-checker-action@3164002371bc90729c68af0e24d5aacf20d7c9f6 # v12
         if: matrix.runner != 'macos-15-intel'
       - uses: DeterminateSystems/nix-installer-action@c5a866b6ab867e88becbed4467b93592bce69f8a # v21