Fix benchmark CI upload artifact path (#4256)

Author: eugene123tw

.github/workflows/perf_benchmark_v2.yaml

@@ -96,4 +96,4 @@ jobs:
         uses: actions/upload-artifact@6f51ac03b9356f520e9adb1b1b7802705f340c2b # v4.5.0
         with:
           name: benchmark-results-${{ matrix.task }}
-          path: ${{ github.workspace }}/.tox/*.xlsx
+          path: ${{ github.workspace }}/.tox/${{ matrix.task }}-*.xlsx