build(deps): bump actions/download-artifact from 5.0.0 to 8.0.1

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 5.0.0 to 8.0.1.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](634f93cb29...3e5f45b2cf)

---
updated-dependencies:
- dependency-name: actions/download-artifact
  dependency-version: 8.0.1
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/validate-upstream.yml

@@ -39,7 +39,7 @@ jobs:
           repository: docker/docs
       -
         name: Download data files
-        uses: actions/download-artifact@634f93cb2916e3fdff6788551b99b062d0335ce0 # v5
+        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
         if: ${{ inputs.data-files-id != '' && inputs.data-files-folder != '' }}
         with:
           name: ${{ inputs.data-files-id }}