[ImgBot] Optimize images

*Total -- 8,721.70kb -> 7,704.56kb (11.66%)

/challenges/assets/qrcode-ios-demo.png -- 10.69kb -> 3.84kb (64.05%)
/challenges/assets/qrcode-slides.png -- 8.58kb -> 3.27kb (61.86%)
/challenges/foundation/login-finished.png -- 105.00kb -> 44.08kb (58.02%)
/challenges/assets/react-query.png -- 9.33kb -> 4.42kb (52.61%)
/challenges/assets/vector-demo.png -- 161.67kb -> 82.23kb (49.14%)
/challenges/assets/typescript.png -- 2.73kb -> 1.39kb (49.04%)
/challenges/assets/eslint.png -- 4.67kb -> 2.50kb (46.48%)
/challenges/assets/prettier.png -- 6.03kb -> 3.44kb (42.92%)
/challenges/assets/storybook.png -- 4.33kb -> 2.48kb (42.8%)
/challenges/ecosystem/autoDetectColorScheme.png -- 144.05kb -> 87.97kb (38.93%)
/challenges/data/react-native-debug-network.png -- 504.30kb -> 344.11kb (31.76%)
/challenges/release/eas-preview-ios.png -- 1,352.12kb -> 1,022.01kb (24.41%)
/challenges/assets/visual-studio-code.png -- 7.36kb -> 5.64kb (23.38%)
/challenges/release/androidApk.png -- 231.66kb -> 203.43kb (12.19%)
/challenges/release/dev-prod-variant.jpeg -- 241.17kb -> 218.79kb (9.28%)
/hackathon/ui-tier-list/tier-list-react-native-ui.jpg -- 159.55kb -> 151.80kb (4.86%)
/hackathon/spacecraft/spacecraft-preview.gif -- 4,443.83kb -> 4,232.59kb (4.75%)
/challenges/foundation/password.gif -- 67.82kb -> 64.99kb (4.18%)
/hackathon/product-hunt-clone/assets/favicon.png -- 1.43kb -> 1.38kb (3.82%)
/challenges/foundation/add-stars.gif -- 56.75kb -> 54.66kb (3.68%)
/challenges/ecosystem/storybook-first-launch.gif -- 1,164.28kb -> 1,135.25kb (2.49%)
/challenges/data/offline-example.gif -- 34.34kb -> 34.27kb (0.18%)

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