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
...

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Author: dependabot[bot]

.github/workflows/publish-pypi.yml

@@ -133,7 +133,7 @@ jobs:
     - uses: actions/setup-python@v2
       with:
         python-version: '3.8'
-    - uses: actions/download-artifact@v2
+    - uses: actions/download-artifact@v4.1.7
     - name: Show artifacts
       run: ls -R
       working-directory: dist