fix: resolve mypy error and update uipath uv.lock

- Use opentelemetry.context.attach/detach instead of trace.context_api
- Update uipath package uv.lock for uipath-platform 0.1.44

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: ctiliescuuipath

packages/uipath-platform/tests/services/test_llm_trace_context.py

@@ -56,20 +56,20 @@ def test_traceparent_from_active_span(self) -> None:
 
     def test_no_traceparent_without_active_span(self) -> None:
         # INVALID_SPAN has trace_id=0 and span_id=0
+        from opentelemetry.context import attach, detach
+
         ctx = SpanContext(
             trace_id=0,
             span_id=0,
             is_remote=False,
             trace_flags=TraceFlags(0),
         )
         non_recording = NonRecordingSpan(ctx)
-        token = trace.context_api.attach(
-            trace.set_span_in_context(non_recording)
-        )
+        token = attach(trace.set_span_in_context(non_recording))
         try:
             headers = build_trace_context_headers()
         finally:
-            trace.context_api.detach(token)
+            detach(token)
 
         assert "x-uipath-traceparent-id" not in headers