onnxruntime

16b0b323 - [MIGraphX EP] rename HIPPinnedAllocator to MIGraphXPinnedAllocator (#24103)

[MIGraphX EP] rename HIPPinnedAllocator to MIGraphXPinnedAllocator (#24103) ### Description Rename class HIPPinnedAllocator to MIGraphXPinnedAllocator ### Motivation and Context To align allocators' naming for the MIGraphX EP