chore(deps): update actions/checkout action to v5

Author: renovate[bot]

.github/workflows/ci.yaml

@@ -9,6 +9,6 @@ jobs:
         os: [ubuntu-latest, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
+    - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
     - uses: cachix/install-nix-action@91a071959513ca103b54280ac0bef5b825791d4d # v31
     - run: ./ci.sh