Bump dawidd6/action-download-artifact from 2.14.0 to 2.15.0 (#21981)

* Bump dawidd6/action-download-artifact from 2.14.0 to 2.15.0

Bumps [dawidd6/action-download-artifact](https://github.com/dawidd6/action-download-artifact) from 2.14.0 to 2.15.0.
- [Release notes](https://github.com/dawidd6/action-download-artifact/releases)
- [Commits](b957148472...af92a8455a)

---
updated-dependencies:
- dependency-name: dawidd6/action-download-artifact
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

* Update action-download-artifact in allowed-actions

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: James M. Greene <JamesMGreene@github.com>

.github/workflows/staging-deploy-pr.yml

@@ -303,7 +303,7 @@ jobs:
 
       # Download the previously built "app.tar"
       - name: Download build artifact
-        uses: dawidd6/action-download-artifact@b9571484721e8187f1fd08147b497129f8972c74
+        uses: dawidd6/action-download-artifact@af92a8455a59214b7b932932f2662fdefbd78126
         with:
           workflow: ${{ github.event.workflow_run.workflow_id }}
           run_id: ${{ env.BUILD_ACTIONS_RUN_ID }}