build(deps): bump dawidd6/action-download-artifact from 2.26.0 to 2.28.0

Bumps [dawidd6/action-download-artifact](https://github.com/dawidd6/action-download-artifact) from 2.26.0 to 2.28.0.
- [Release notes](https://github.com/dawidd6/action-download-artifact/releases)
- [Commits](dawidd6/action-download-artifact@v2.26.0...v2.28.0)

---
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>

.github/workflows/publish_coverage.yml

@@ -20,7 +20,7 @@ jobs:
 
       - run: pip install smokeshow
 
-      - uses: dawidd6/action-download-artifact@v2.26.0
+      - uses: dawidd6/action-download-artifact@v2.28.0
         with:
           workflow: tests.yml
           commit: ${{ github.event.workflow_run.head_sha }}