[ImgBot] Optimize images

*Total -- 997.67kb -> 618.52kb (38%)

/images/deployment-strategy-2.png -- 134.57kb -> 80.00kb (40.56%)
/docs/micro-services/images/deployment-strategy-2.png -- 134.57kb -> 80.00kb (40.56%)
/images/deployment-strategy-3.png -- 142.18kb -> 84.84kb (40.33%)
/docs/micro-services/images/deployment-strategy-3.png -- 142.18kb -> 84.84kb (40.33%)
/images/deployment-strategy-1.png -- 222.08kb -> 144.42kb (34.97%)
/docs/micro-services/images/deployment-strategy-1.png -- 222.08kb -> 144.42kb (34.97%)
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