Bump actions/download-artifact from 1 to 4.1.7 in /.github/workflows

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 1 to 4.1.7.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v1...v4.1.7)

---
updated-dependencies:
- dependency-name: actions/download-artifact
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/build.yml

@@ -52,7 +52,7 @@ jobs:
     if: ${{ github.ref == 'refs/heads/master' }}
     steps:
       - name: Download nupkg
-        uses: actions/download-artifact@v1
+        uses: actions/download-artifact@v4.1.7
         with:
           name: nuget