Update benchmarks.yml

Author: juliagmt-google

.github/workflows/benchmarks.yml

@@ -106,7 +106,7 @@ jobs:
       matrix:
         job_info:
           - os: "linux-x86-g2-48-l4-4gpu"
-            container: "us-central1-docker.pkg.dev/tensorflow-sigs/tensorflow/ml-build:latest"
+            image: "gcr.io/tensorflow-testing/nosla-cuda12.3-cudnn9.1-ubuntu20.04-manylinux2014-multipython:latest"
             pretty_name: "Linux X86 runner with 4 NVIDIA L4 GPUs"
           # Expect more GPU types in the future.
     name: ${{ matrix.job_info.pretty_name }}