Add command to download log files from ray cluster

.github/workflows/run-cluster.yaml

@@ -78,9 +78,21 @@ jobs:
           echo 'Invalid command submitted; command cannot be empty'
           exit 1
         fi
-        ray job submit --working-dir ${{ inputs.working_dir }} --address http://localhost:8265 -- ${{ inputs.command }}
+        ray job submit \
+          --working-dir ${{ inputs.working_dir }} \
+          --address http://localhost:8265 \
+          --runtime-env-json '{"DAFT_ENABLE_RAY_TRACING": "1"}' \
+          -- ${{ inputs.command }}
+    - name: Download log files from ray cluster
+      run: |
+        source .venv/bin/activate
+        ray rsync-down .github/assets/benchmarking_ray_config.yaml /tmp/ray/session_*/logs/daft ray-daft-logs
     - name: Spin down ray cluster
       if: always()
       run: |
         source .venv/bin/activate
         ray down .github/assets/benchmarking_ray_config.yaml -y
+    - uses: actions/upload-artifact@v4
+      with:
+        name: ray-daft-logs
+        path: ray-daft-logs