Merge pull request #260 from CGAL/dependabot/github_actions/actions/download-artifact-4

Bump actions/download-artifact from 3 to 4

Author: lrineau

.github/workflows/tests.yml

@@ -206,7 +206,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: [sdist, build-and-test-wheels]
     steps:
-      - uses: actions/download-artifact@v3
+      - uses: actions/download-artifact@v4
         with:
           name: artifact
           path: dist