⬆️ Bump dawidd6/action-download-artifact in /.github/workflows (#797)

Bumps [dawidd6/action-download-artifact](https://github.com/dawidd6/action-download-artifact) from 3 to 6.
- [Release notes](https://github.com/dawidd6/action-download-artifact/releases)
- [Commits](dawidd6/action-download-artifact@v3...v6)

---
updated-dependencies:
- dependency-name: dawidd6/action-download-artifact
  dependency-type: direct:production
...

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

Author: dependabot[bot]

.github/workflows/sonar.yml

@@ -11,7 +11,7 @@ jobs:
     steps:
     - name: Download PR number artifact
       if: github.event.workflow_run.event == 'pull_request'
-      uses: dawidd6/action-download-artifact@v3
+      uses: dawidd6/action-download-artifact@v6
       with:
         workflow: Validate PR
         run_id: ${{ github.event.workflow_run.id }}