[docker] bump neuron sdk packages to 2.20.2

serving/docker/pytorch-inf2.Dockerfile

@@ -15,13 +15,13 @@ ARG djl_serving_version
 ARG torch_version=2.1.2
 ARG torchvision_version=0.16.2
 ARG python_version=3.10
-ARG neuronsdk_version=2.20.1
-ARG torch_neuronx_version=2.1.2.2.3.1
+ARG neuronsdk_version=2.20.2
+ARG torch_neuronx_version=2.1.2.2.3.2
 ARG transformers_neuronx_version=0.12.313
 ARG neuronx_distributed_version=0.9.0
-ARG neuronx_cc_version=2.15.141.0
-ARG neuronx_cc_stubs_version=2.15.141.0
-ARG torch_xla_version=2.1.4
+ARG neuronx_cc_version=2.15.143.0
+ARG neuronx_cc_stubs_version=2.15.143.0
+ARG torch_xla_version=2.1.5
 ARG transformers_version=4.45.2
 ARG accelerate_version=0.29.2
 ARG diffusers_version=0.28.2