Bump dawidd6/action-download-artifact from 16 to 18

Bumps [dawidd6/action-download-artifact](https://github.com/dawidd6/action-download-artifact) from 16 to 18.
- [Release notes](https://github.com/dawidd6/action-download-artifact/releases)
- [Commits](dawidd6/action-download-artifact@v16...v18)

---
updated-dependencies:
- dependency-name: dawidd6/action-download-artifact
  dependency-version: '18'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/publish-test-results.yml

@@ -21,7 +21,7 @@ jobs:
 
     steps:
       - name: Download and Extract Artifacts
-        uses: dawidd6/action-download-artifact@v16
+        uses: dawidd6/action-download-artifact@v18
         with:
           run_id: ${{ github.event.workflow_run.id }}
           path: artifacts