Add exec to uvicorn in entrypoint.sh

Kudos to @co42 for the catch at
huggingface/huggingface-inference-toolkit#94

Author: alvarobartt

containers/pytorch/inference/cpu/2.3.1/transformers/4.46.0/py311/entrypoint.sh

@@ -41,4 +41,4 @@ if [[ $AIP_STORAGE_URI == gs://* ]]; then
 fi
 
 # Start the server
-uvicorn huggingface_inference_toolkit.webservice_starlette:app --host 0.0.0.0 --port ${PORT}
+exec uvicorn huggingface_inference_toolkit.webservice_starlette:app --host 0.0.0.0 --port ${PORT}

containers/pytorch/inference/gpu/2.3.1/transformers/4.46.0/py311/entrypoint.sh

@@ -41,4 +41,4 @@ if [[ $AIP_STORAGE_URI == gs://* ]]; then
 fi
 
 # Start the server
-uvicorn huggingface_inference_toolkit.webservice_starlette:app --host 0.0.0.0 --port ${PORT}
+exec uvicorn huggingface_inference_toolkit.webservice_starlette:app --host 0.0.0.0 --port ${PORT}