chore(deps): update dawidd6/action-download-artifact action to v6 (#11212)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/size-report.yml

@@ -36,14 +36,14 @@ jobs:
         run: pnpm install
 
       - name: Download Size Data
-        uses: dawidd6/action-download-artifact@v4
+        uses: dawidd6/action-download-artifact@v6
         with:
           name: size-data
           run_id: ${{ github.event.workflow_run.id }}
           path: temp/size
 
       - name: Download Previous Size Data
-        uses: dawidd6/action-download-artifact@v4
+        uses: dawidd6/action-download-artifact@v6
         with:
           branch: main
           workflow: size-data.yml