[Awaiting approval] Upload ONNX weights

[Automated] Converted using [Optimum](https://github.com/huggingface/optimum). Models will be merged manually by

@Xenova
once they have been checked with [Transformers.js](https://github.com/xenova/transformers.js).

onnx/prompt_encoder_mask_decoder.onnx

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+size 480338

onnx/vision_encoder.onnx

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+oid sha256:a2952ecddb90d0e04fe91e960b64bd1810208dcf9dd1619d68aa7d7b688e0c44
+size 315405