[ImgBot] Optimize images

*Total -- 2,640.00kb -> 2,463.15kb (6.7%)

/tests/datasets/data/image_segmentation/folder_data/images/0a18b314fc.png -- 11.56kb -> 6.52kb (43.6%)
/tests/datasets/data/image_segmentation/folder_data/images/00a3af90ab.png -- 12.50kb -> 7.08kb (43.36%)
/tests/datasets/data/image_segmentation/folder_data/images/0a7e067255.png -- 9.36kb -> 5.77kb (38.37%)
/docs/source/_static/logo.png -- 15.84kb -> 11.51kb (27.35%)
/assets/logo.png -- 15.84kb -> 11.51kb (27.35%)
/assets/TorchFlare_official.png -- 13.15kb -> 9.65kb (26.63%)
/docs/source/_static/TorchFlare_official.png -- 18.17kb -> 13.50kb (25.72%)
/tests/datasets/data/image_classification/csv_data/images/Train_947.jpg -- 155.77kb -> 142.85kb (8.29%)
/tests/datasets/data/image_segmentation/csv_data/images/0011165.jpg -- 661.19kb -> 617.49kb (6.61%)
/tests/datasets/data/image_segmentation/csv_data/images/002be4f.jpg -- 592.75kb -> 554.12kb (6.52%)
/tests/datasets/data/image_classification/folder_data/train_data/cats/cat.5.jpg -- 5.26kb -> 4.94kb (6.09%)
/tests/datasets/data/image_classification/folder_data/train_data/cats/cat.2.jpg -- 24.11kb -> 22.65kb (6.07%)
/tests/datasets/data/image_classification/csv_data/images/Train_1281.jpg -- 175.96kb -> 166.04kb (5.64%)
/tests/datasets/data/image_classification/csv_data/images/Train_415.jpg -- 185.78kb -> 175.60kb (5.48%)
/tests/datasets/data/image_classification/folder_data/train_data/dogs/dog.2.jpg -- 8.29kb -> 7.87kb (5.09%)
/tests/datasets/data/image_classification/folder_data/test_data/cat.4001.jpg -- 45.89kb -> 43.77kb (4.63%)
/tests/datasets/data/image_classification/folder_data/train_data/cats/cat.1.jpg -- 16.48kb -> 15.72kb (4.61%)
/tests/datasets/data/image_classification/folder_data/train_data/dogs/dog.3.jpg -- 27.79kb -> 26.55kb (4.46%)
/tests/datasets/data/image_classification/folder_data/train_data/dogs/dog.5.jpg -- 37.02kb -> 35.37kb (4.46%)
/tests/datasets/data/image_classification/csv_data/images/Train_112.jpg -- 207.77kb -> 198.95kb (4.24%)
/tests/datasets/data/image_classification/folder_data/train_data/cats/cat.4.jpg -- 20.14kb -> 19.31kb (4.11%)
/tests/datasets/data/image_classification/folder_data/test_data/cat.4002.jpg -- 17.80kb -> 17.11kb (3.89%)
/tests/datasets/data/image_classification/folder_data/test_data/cat.4003.jpg -- 20.39kb -> 19.65kb (3.61%)
/tests/datasets/data/image_classification/csv_data/images/Train_545.jpg -- 304.05kb -> 293.69kb (3.41%)
/tests/datasets/data/image_classification/folder_data/train_data/dogs/dog.4.jpg -- 12.69kb -> 12.26kb (3.36%)
/tests/datasets/data/image_classification/folder_data/train_data/dogs/dog.1.jpg -- 24.45kb -> 23.68kb (3.16%)

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