Update benchmarks.yml

Author: juliagmt-google

.github/workflows/benchmarks.yml

@@ -142,7 +142,7 @@ jobs:
       - name: Run xla/tools/hlo_opt/tests/gpu_hlo_pass.hlo
         run: ./bazel-bin/xla/tools/multihost_hlo_runner/hlo_runner_main --device_type=gpu --log_output=True --use_spmd_partitioning --xla_gpu_dump_xspace_to=xla/results/xspace.pbtxt xla/tools/hlo_opt/tests/gpu_hlo_pass.hlo
       - name: Upload XSpace
-        uses: actions/upload-artifact@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+        uses: actions/upload-artifact@v4 # v4.1.1
         with:
           name: gpu-xla-benchmarks-xspace
           path: xla/results/xspace.pbtxt