Update TEI docker image to 1.6 (#1650)

Signed-off-by: Wang, Xigui <xigui.wang@intel.com>

GraphRAG/docker_compose/intel/hpu/gaudi/compose.yaml

@@ -33,7 +33,7 @@ services:
       retries: 20
       start_period: 3s
   tei-embedding-serving:
-    image: ghcr.io/huggingface/text-embeddings-inference:cpu-1.5
+    image: ghcr.io/huggingface/text-embeddings-inference:cpu-1.6
     container_name: tei-embedding-serving
     entrypoint: /bin/sh -c "apt-get update && apt-get install -y curl && text-embeddings-router --json-output --model-id ${EMBEDDING_MODEL_ID} --auto-truncate"
     ports: