Update actions/download-artifact action to v5

Author: renovate[bot]

.github/workflows/pipeline.yml

@@ -126,7 +126,7 @@ jobs:
           pip install mkdocs-minify-plugin
           pip install mkdocs-git-revision-date-localized-plugin
       - name: Download Documentation Artifact
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           name: documentation
           path: docs/docs