[ImgBot] Optimize images

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/docs/database/mysql/images/redo-log.png -- 78.82kb -> 28.39kb (63.98%)
/docs/cs-basics/network/images/network-model/nerwork-layer-protocol.png -- 31.31kb -> 19.61kb (37.36%)
/docs/high-performance/images/message-queue/message-queue-pub-sub-model.png -- 48.49kb -> 32.49kb (33%)
/docs/high-performance/images/message-queue/message-queue-queue-model.png -- 23.23kb -> 15.66kb (32.6%)
/docs/system-design/security/images/design-of-authority-system/new-authority-system-design.png -- 14.80kb -> 14.61kb (1.29%)
/docs/high-performance/images/read-and-write-separation-and-library-subtable/two-forms-of-sub-table.png -- 6.58kb -> 6.53kb (0.85%)
/docs/cs-basics/data-structure/pictures/红黑树/红黑树4.png -- 10.90kb -> 10.84kb (0.53%)
/docs/java/jvm/pictures/jdk监控和故障处理工具总结/2查看Java程序概况.png -- 19.69kb -> 19.62kb (0.34%)
/docs/cs-basics/data-structure/pictures/线性数据结构/栈实现浏览器倒退和前进.png -- 9.81kb -> 9.80kb (0.11%)

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