Add a deploy task to upload artifacts to download.eclipse.org

.gitlab-ci.yml

+include:
+  - project: 'eclipsefdn/it/releng/gitlab-runner-service/gitlab-ci-templates'
+    file: '/jobs/download.eclipse.org.gitlab-ci.yml'
 workflow:
   rules:
     - if: $CI_PIPELINE_SOURCE == 'merge_request_event' || $CI_PIPELINE_SOURCE == 'schedule' || $CI_PIPELINE_SOURCE == 'web'
@@ -81,3 +84,8 @@ test:node-20-linux:
     - ./dist/asciidoc-tck cli -c 'node ./harness/test/sample-adapters/echo/index.js'
   coverage: '/^All files *[|] *([0-9.]+) *[|]/'
   <<: *save_report_artifacts
+upload-artifacts:
+  tags:
+    - origin:eclipse
+  extends: .ef-download-eclipse.org
+  stage: deploy