[Doc] Fix nightly installation: add coloredlogs (#26588)
coloredlogs was added to requirements.txt.in (later renamed to
requirements.txt) since 1.12.0 by
https://github.com/microsoft/onnxruntime/pull/11522.
This updates the installation command lines for nightly packages to
avoid installation failure like
https://github.com/microsoft/onnxruntime/issues/26568.
The dependency on coloredlogs was also reported by user:
https://github.com/microsoft/onnxruntime/issues/26547#issuecomment-3533435073.
