pass span_attributes when creating span inside start_span

Author: alizenhom

Diff for: instrumentation/opentelemetry-instrumentation-openai-v2/src/opentelemetry/instrumentation/openai_v2/patch.py

@@ -50,7 +50,9 @@ def traced_method(wrapped, instance, args, kwargs):
         span_attributes = {**get_llm_request_attributes(kwargs)}
         span_name = f"{span_attributes[GenAIAttributes.GEN_AI_OPERATION_NAME]} {span_attributes[GenAIAttributes.GEN_AI_REQUEST_MODEL]}"
 
-        span = tracer.start_span(name=span_name, kind=SpanKind.CLIENT)
+        span = tracer.start_span(
+            name=span_name, kind=SpanKind.CLIENT, attributes=span_attributes
+        )
         if span.is_recording():
             _set_input_attributes(span, span_attributes)
             set_event_prompt(span, json.dumps(llm_prompts))