[ImgBot] Optimize images

*Total -- 1,083.15kb -> 1,005.21kb (7.2%)

/assets/images/blog-3-f1-score-gec/f_beta.png -- 188.16kb -> 141.22kb (24.95%)
/assets/images/blog-3-f1-score-gec/gec_system_eg.png -- 16.87kb -> 15.05kb (10.77%)
/safari-pinned-tab.svg -- 2.42kb -> 2.24kb (7.59%)
/assets/images/blog-3-f1-score-gec/m2_format.png -- 52.20kb -> 48.96kb (6.2%)
/assets/images/blog-2-pre-commit-hooks/black-formatting-example.png -- 152.44kb -> 143.22kb (6.04%)
/assets/images/blog-2-pre-commit-hooks/pre-commit-config-file-structure.png -- 101.55kb -> 96.50kb (4.97%)
/mstile-150x150.png -- 5.30kb -> 5.09kb (3.96%)
/assets/images/mstile-150x150.png -- 5.30kb -> 5.09kb (3.96%)
/android-chrome-192x192.png -- 9.46kb -> 9.11kb (3.73%)
/apple-touch-icon.png -- 8.66kb -> 8.34kb (3.7%)
/assets/images/blog-2-pre-commit-hooks/teaser.jpeg -- 27.33kb -> 26.47kb (3.17%)
/assets/images/blog-4-llmsearch/teaser.png -- 488.38kb -> 479.30kb (1.86%)
/android-chrome-384x384.png -- 25.07kb -> 24.61kb (1.82%)

Signed-off-by: ImgBotApp <ImgBotHelp@gmail.com>

Author: ImgBotApp