chore(deps): bump actions/download-artifact from 3 to 6

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 3 to 6.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](https://github.com/actions/download-artifact/compare/v3...v6)

---
updated-dependencies:
- dependency-name: actions/download-artifact
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/docker-build.yml

@@ -85,7 +85,7 @@ jobs:
       - Docker_Build
     steps:
       - name: Download digests
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v6
         with:
           name: digests
           path: /tmp/digests