[ImgBot] Optimize images

*Total -- 278.72kb -> 235.65kb (15.45%)

/training_scripts/conditioning_image_7.jpg -- 62.69kb -> 49.27kb (21.4%)
/training_scripts/conditioning_image_8.jpg -- 70.67kb -> 57.19kb (19.08%)
/training_scripts/conditioning_image_5.jpg -- 70.19kb -> 58.35kb (16.87%)
/training_scripts/conditioning_image_1.jpg -- 12.61kb -> 11.01kb (12.74%)
/training_scripts/conditioning_image_4.jpg -- 14.51kb -> 13.77kb (5.16%)
/training_scripts/conditioning_image_2.jpg -- 14.69kb -> 13.98kb (4.82%)
/training_scripts/conditioning_image_6.jpg -- 16.83kb -> 16.18kb (3.85%)
/training_scripts/conditioning_image_3.jpg -- 16.52kb -> 15.90kb (3.75%)

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