v13.1: latest ov & ort library, new models

• Update openvino to openvinotoolkit/openvino@b0ffec4 , improved support for RIFE in both OV_CPU and OV_GPU. (benchmark on arc a380)
• Fix a typo in vsmlrt.py's __all__.
• Added parameter num_threads in the OV_CPU backend
• Update onnxruntime to microsoft/onnxruntime@8ed3dfe.
• Default value of workspace of the TRT backend will be changed to None in the next release, anduse_cudnn will be changed to False.

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the following models can be found on external models:

• Add support for waifu2x swin_unet models.
• Add support for ensemble configuration of RIFE. (RIFE v2 acceleration is experimental and may results in reduced quality on TRT backend with fp16 enabled.)

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Note

• Backend OV_GPU may produces reduced precision output. This is under investigation.