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] <[email protected]>

.github/workflows/ci.yml

@@ -110,19 +110,19 @@ jobs:
     needs: [lint, test, package-sdist, package-wheel]
     steps:
       - uses: actions/checkout@v2
-      - uses: actions/download-artifact@v1
+      - uses: actions/download-artifact@v4.1.7
         with:
           name: sdist
           path: dist/
-      - uses: actions/download-artifact@v1
+      - uses: actions/download-artifact@v4.1.7
         with:
           name: wheels-win
           path: dist/
-      - uses: actions/download-artifact@v1
+      - uses: actions/download-artifact@v4.1.7
         with:
           name: wheels-macos
           path: dist/
-      - uses: actions/download-artifact@v1
+      - uses: actions/download-artifact@v4.1.7
         with:
           name: wheels-manylinux
           path: dist/