Bump requests from 2.28.1 to 2.32.4 in /WorkflowExecAgent/tests/example_workflow (#2110)

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WorkflowExecAgent/tests/example_workflow/requirements.txt

@@ -1,7 +1,7 @@
 fastapi
 numpy
 pandas
-requests==2.28.1
+requests==2.32.4
 scikit-learn
 uvicorn
 xgboost