Bump actions/download-artifact from 4 to 8 (#3619)

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.github/workflows/sonar.yaml

@@ -54,7 +54,7 @@ jobs:
         run: |
           git checkout ${{ github.event.workflow_run.head_sha }}
       - name: Download coverage artifacts
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v8
         with:
           name: code-coverage
           run-id: ${{ github.event.workflow_run.id }}