onnxruntime

db3eb22c - Plugin EP API - Add OrtEp::IsConcurrentRunSupported (#26859)

Plugin EP API - Add OrtEp::IsConcurrentRunSupported (#26859) ### Description <!-- Describe your changes. --> Add Plugin EP API `OrtEp::IsConcurrentRunSupported()` and connect it to the internal `PluginExecutionProvider::ConcurrentRunSupported()` member function. ### Motivation and Context <!-- - Why is this change required? What problem does it solve? - If it fixes an open issue, please link to the issue here. --> Additional plugin EP support.