Update benchmarks.yml

Author: juliagmt-google

.github/workflows/benchmarks.yml

@@ -70,10 +70,10 @@ jobs:
       #   run: |
       #     bash setup.sh
 
-      # - name: Wait For Connection
-      #   uses: google-ml-infra/actions/ci_connection@main
-      #   with:
-      #     halt-dispatch-input: ${{ inputs.halt-for-connection }}
+      - name: Wait For Connection
+        uses: google-ml-infra/actions/ci_connection@main
+        with:
+          halt-dispatch-input: ${{ inputs.halt-for-connection }}
 
       # - name: Run run.sh for E2E benchmarks flax_2b (within venv)
       #   working-directory: xla/backends/cpu/benchmarks/e2e/gemma2/flax_2b