Update latest version (#27)

Author: tanmayv25

README.md

@@ -30,8 +30,8 @@
 
 **LATEST RELEASE: You are currently on the main branch which tracks
 under-development progress towards the next release. The current release branch
-is [r23.11](https://github.com/triton-inference-server/vllm_backend/tree/r23.11)
-and which corresponds to the 23.11 container release on
+is [r23.12](https://github.com/triton-inference-server/vllm_backend/tree/r23.12)
+and which corresponds to the 23.12 container release on
 [NVIDIA GPU Cloud (NGC)](https://catalog.ngc.nvidia.com/orgs/nvidia/containers/tritonserver).**
 
 # vLLM Backend
@@ -96,9 +96,9 @@ A sample command to build a Triton Server container with all options enabled is
                 --endpoint=grpc
                 --endpoint=sagemaker
                 --endpoint=vertex-ai
-                --upstream-container-version=23.10
-                --backend=python:r23.10
-                --backend=vllm:r23.10
+                --upstream-container-version=23.12
+                --backend=python:r23.12
+                --backend=vllm:r23.12
 ```
 
 ### Option 3. Add the vLLM Backend to the Default Triton Container