Merge pull request #1409 from crate-ci/renovate/actions-download-artifact-6.x

chore(deps): Update actions/download-artifact action to v6

Author: epage

.github/workflows/maturin.yml

@@ -131,7 +131,7 @@ jobs:
     if: "startsWith(github.ref, 'refs/tags/')"
     needs: [linux, windows, macos, sdist]
     steps:
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v6
         with:
           merge-multiple: true
       - name: Publish to PyPI