Dockerfile.ubi: bump vllm-tgis-adapter to 0.2.2

Dockerfile.ubi

@@ -193,7 +193,7 @@ FROM vllm-openai as vllm-grpc-adapter
 USER root
 
 RUN --mount=type=cache,target=/root/.cache/pip \
-    pip install vllm-tgis-adapter==0.2.1
+    pip install vllm-tgis-adapter==0.2.2
 
 ENV GRPC_PORT=8033
 USER 2000