Update vLLM to 0.3.2

Author: sd109

chart/values.yaml

@@ -26,7 +26,7 @@ api:
   # Container image config
   image:
     repository: vllm/vllm-openai
-    version: v0.2.7
+    version: v0.3.2
   # Service config
   service:
     name: llm-backend