Fix API doc comment for OrtApi::RunOptionsEnableProfiling (#27195)
### Description
Fixes C++ documentation generation by replacing `<` and `>` with `[` and
`]`. Angle brackets are mistaken as html tags.
Successful run:
https://github.com/microsoft/onnxruntime/actions/runs/21456738258
### Motivation and Context
Allow C++ document generation to succeed.