fix: Immutable type, ignoring call to set attribute on span_context

[GSVarsha]

Fix the bug Immutable type, ignoring call to set attribute

[DEBUG]	2025-09-03T09:02:26.013Z	8ed186f7-0c6a-4407-815e-fb3bc2f5c277	Immutable type, ignoring call to set attribute
Stack (most recent call last):
  File "/var/runtime/bootstrap.py", line 60, in <module>
    main()
  File "/var/runtime/bootstrap.py", line 57, in main
    awslambdaricmain.main([os.environ["LAMBDA_TASK_ROOT"], os.environ["_HANDLER"]])
  File "/var/runtime/awslambdaric/__main__.py", line 21, in main
    bootstrap.run(app_root, handler, lambda_runtime_api_addr)
  File "/var/runtime/awslambdaric/bootstrap.py", line 529, in run
    handle_event_request(
  File "/var/runtime/awslambdaric/bootstrap.py", line 177, in handle_event_request
    response = request_handler(event, lambda_context)
  File "/opt/python/instana/__init__.py", line 146, in lambda_handler
    return handler_function(event, context)
  File "/opt/python/wrapt/wrappers.py", line 609, in __call__
    return self._self_wrapper(self.__wrapped__, self._self_instance,
  File "/opt/python/instana/instrumentation/aws/lambda_inst.py", line 67, in lambda_handler_with_instana
    agent.collector.shutdown()
  File "/opt/python/instana/collector/base.py", line 121, in shutdown
    self.prepare_and_report_data()
  File "/opt/python/instana/collector/base.py", line 151, in prepare_and_report_data
    self.agent.report_data_payload(payload)
  File "/opt/python/instana/agent/aws_lambda.py", line 73, in report_data_payload
    response = self.client.post(
  File "/opt/python/requests/sessions.py", line 637, in post
    return self.request("POST", url, data=data, json=json, **kwargs)
  File "/opt/python/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
  File "/opt/python/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
  File "/opt/python/requests/adapters.py", line 644, in send
    resp = conn.urlopen(
  File "/opt/python/wrapt/wrappers.py", line 670, in __call__
    return self._self_wrapper(self.__wrapped__, self._self_instance,
  File "/opt/python/instana/instrumentation/urllib3.py", line 132, in urlopen_with_instana
    tracer.inject(span.context, Format.HTTP_HEADERS, kwargs["headers"])
  File "/opt/python/instana/tracer.py", line 255, in inject
    return self._propagators[format].inject(
  File "/opt/python/instana/propagators/http_propagator.py", line 30, in inject
    span_context.level = min(child_level, span_context.level)
  File "/opt/python/opentelemetry/trace/span.py", line 500, in __setattr__
    _logger.debug(

[CagriYonca]

LGTM

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
100.0% Coverage on New Code
0.0% Duplication on New Code

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