HPU upgrade to Synapse 1.21.3 (#703)

Signed-off-by: Liu, Kaixuan <[email protected]>

Author: kaixuanliu

Dockerfile-intel

@@ -82,7 +82,7 @@ RUN python -m pip install torch==2.7.0 torchvision torchaudio==2.7.0 --index-url
 RUN cd backends/python/server && \
     make install
 
-FROM vault.habana.ai/gaudi-docker/1.21.0/ubuntu22.04/habanalabs/pytorch-installer-2.6.0:latest AS hpu
+FROM vault.habana.ai/gaudi-docker/1.21.3/ubuntu22.04/habanalabs/pytorch-installer-2.6.0:latest AS hpu
 ENV HUGGINGFACE_HUB_CACHE=/data \
     PORT=80
 ENV PT_HPU_LAZY_MODE=1