feat: increase read timeout of OpenAI Compatible API, Ollama, Nvidia LLM (#3538)

api/core/model_runtime/model_providers/nvidia/llm/llm.py

                 endpoint_url,
                 headers=headers,
                 json=data,
-                timeout=(10, 60)
+                timeout=(10, 300)
             )
 
             if response.status_code != 200:
             endpoint_url,
             headers=headers,
             json=data,
-            timeout=(10, 60),
+            timeout=(10, 300),
             stream=stream
         )
 

api/core/model_runtime/model_providers/ollama/llm/llm.py

             endpoint_url,
             headers=headers,
             json=data,
-            timeout=(10, 60),
+            timeout=(10, 300),
             stream=stream
         )
 

api/core/model_runtime/model_providers/openai_api_compatible/llm/llm.py

                 endpoint_url,
                 headers=headers,
                 json=data,
-                timeout=(10, 60)
+                timeout=(10, 300)
             )
 
             if response.status_code != 200:
             endpoint_url,
             headers=headers,
             json=data,
-            timeout=(10, 60),
+            timeout=(10, 300),
             stream=stream
         )