fix: oss-gpt-120b model path in recipe (#4085)

Author: biswapanda

recipes/gpt-oss-120b/trtllm/agg/deploy.yaml

@@ -92,7 +92,7 @@ spec:
           - name: ENGINE_ARGS
             value: "/opt/dynamo/configs/config.yaml"
           - name: MODEL_PATH
-            value: "/model-store/hub/models--openai--gpt-oss-120b/snapshots/b5c939de8f754692c1647ca79fbf85e8c1e70f8a"
+            value: "/root/.cache/huggingface/hub/models--openai--gpt-oss-120b/snapshots/b5c939de8f754692c1647ca79fbf85e8c1e70f8a"
           volumeMounts:
           - mountPath: /opt/dynamo/configs
             name: llm-config