chore(deps): update actions/checkout action to v5.0.1

Author: renovate[bot]

.github/workflows/nix-github-actions.yml

@@ -108,7 +108,7 @@ jobs:
         with:
           name: pyproject-nix
           authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
-      - uses: actions/[email protected].0
+      - uses: actions/[email protected].1
       - name: Run build
         run: nix build -L '.#doc'
       - name: Upload artifact