Update actions/checkout action to v6

renovate[bot] · web-flow · commit dfaaf9a4bf97 · 2025-11-20T16:50:26.000Z
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
@@ -11,7 +11,7 @@ jobs:
         os: [ubuntu-latest, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v6
       - uses: cachix/install-nix-action@v21
       - uses: cachix/cachix-action@v12
         with:
