update dockerfile directory

Author: Yadan Wei

base/buildspec-cu128-ubuntu24.yml

@@ -44,7 +44,7 @@ images:
     os_version: &OS_VERSION ubuntu24.04
     tag: !join [ *VERSION, "-", *DEVICE_TYPE, "-", *TAG_PYTHON_VERSION, "-", *CUDA_VERSION, "-", *OS_VERSION, "-ec2" ]
     latest_release_tag: !join [ *VERSION, "-", *DEVICE_TYPE, "-", *TAG_PYTHON_VERSION, "-", *CUDA_VERSION, "-", *OS_VERSION, "-ec2" ]
-    docker_file: !join [ *FRAMEWORK, /, *ARCH_TYPE, /, *DEVICE_TYPE, /, *CUDA_VERSION, /Dockerfile ]
+    docker_file: !join [ *FRAMEWORK, /, *ARCH_TYPE, /, *DEVICE_TYPE, /, *CUDA_VERSION, /, *OS_VERSION, /Dockerfile ]
     target: final
     build: true
     enable_common_stage_build: false