[ImgBot] Optimize images

*Total -- 491.58kb -> 438.78kb (10.74%)

/docs/guides/images/no_ports_sequence.png -- 51.36kb -> 39.55kb (22.99%)
/docs/guides/images/with_ports_sequence.png -- 36.93kb -> 30.41kb (17.66%)
/docs/tutorial-basics/images/t12_groot_models.png -- 92.72kb -> 80.78kb (12.87%)
/static/img/done.png -- 18.06kb -> 15.93kb (11.77%)
/static/img/groot2.png -- 210.98kb -> 191.11kb (9.42%)
/blog/2023-02-08-beta5/split_view.png -- 81.52kb -> 80.98kb (0.67%)

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Author: ImgBotApp