optimum

9294d761 - Add ONNX export for phi models (#1579)

Add ONNX export for phi models (#1579) * Add support for siglip models * cleanup * remove submodule * Add phi onnx export * remove siglip from this PR --------- Co-authored-by: Félix Marty <9808326+fxmarty@users.noreply.github.com>