upgrade runner.

Author: sayakpaul

.github/workflows/benchmark.yml

@@ -22,7 +22,7 @@ jobs:
       fail-fast: false
       max-parallel: 1
     runs-on:
-      group: aws-g6e-xlarge-plus
+      group: aws-g6e-4xlarge
     container:
       image: diffusers/diffusers-pytorch-cuda
       options: --shm-size "16gb" --ipc host --gpus 0