Update benchmarks.yml

Author: juliagmt-google

.github/workflows/benchmarks.yml

@@ -36,7 +36,7 @@ jobs:
           cd results
           run: wget https://raw.githubusercontent.com/juliagmt-google/xla/main/xla/tools/get_device_stats.cc
       - name: Upload Artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@65c4c4a1ddee5b72f698fdd19549f0f0fb45cf08
         with:
           name: my-artifacts # Name of the artifact
           path: |