Bump actions/download-artifact from 3 to 4.1.7 in /.github/workflows (#9)

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 3 to 4.1.7.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v3...v4.1.7)

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

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

Author: dependabot[bot]

.github/workflows/build-docs.yml

@@ -29,7 +29,7 @@ jobs:
         with:
           lfs: 'true'
       - name: Download Jekyll Artifact
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4.1.7
         with:
           name: jekyll-site
           path: _site