Bump actions/download-artifact from 2 to 4 (#1026)

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 2 to 4.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v2...v4)

---
updated-dependencies:
- dependency-name: actions/download-artifact
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/build-and-publish.yml

@@ -117,7 +117,7 @@ jobs:
     timeout-minutes: 5
     steps:
       - name: Download all the dists
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v4
         with:
           name: python-package-distributions
           path: dist/