[Serve] When using the latest version of uvicorn, the root_path parameter is ineffective. #55776
Description
What happened + What you expected to happen
The setup.py file does not specify a version constraint for uvicorn, so the command pip install ray[serve] will install the latest version of uvicorn by default. When using the latest version of uvicorn, the root_path parameter is ineffective.
Versions / Dependencies
uvicorn==0.35.0
Reproduction script
As shown in the following test cases.
python/ray/serve/tests/test_standalone.py::test_http_root_path
Issue Severity
None