Add parsed SuperAnimal Quadruped checkpoints

Adds SuperAnimal Quadruped FasterRCNN and HRNet w32 checkpoints. These new checkpoints can replace the existing detector.pt and pose_model.pth snapshots. I believe the hrnet_w32_quadruped80k.pth snapshot can also be removed.

superanimal_quadruped_fasterrcnn_resnet50_fpn_v2.pt

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+version https://git-lfs.github.com/spec/v1
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+size 173406754

superanimal_quadruped_hrnet_w32.pt

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+version https://git-lfs.github.com/spec/v1
+oid sha256:a42e58d56bb32f8b4f4fe17ea9ed9511cebc7b7949ac56b97fa6f3a49587c31e
+size 118094850