Bump actions/download-artifact from 2 to 4.1.7 in /.github/workflows

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 2 to 4.1.7.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v2...v4.1.7)

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

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

Author: dependabot[bot]

.github/workflows/release.yml

@@ -85,7 +85,7 @@ jobs:
     name: Uploading built packages to pypi for release.
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/download-artifact@v2
+    - uses: actions/download-artifact@v4.1.7
       with:
         name: artifact
         path: dist