onnxruntime

9c93946c - Merge main and address stable EPContext API review feedback

Merge main and address stable EPContext API review feedback Use opaque read options consistently, clarify application/EP size enforcement, update version-31 callback support negotiation, and cover ownership and older-plugin boundaries. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>