[ImgBot] Optimize images (#401)

*Total -- 615.29kb -> 516.95kb (15.98%)

/images/helm-chart.png -- 61.34kb -> 44.10kb (28.11%)
/images/kubernetes-jenkins-ci-cd.png -- 544.07kb -> 464.38kb (14.65%)
/images/cloud-native-wechat.jpg -- 9.88kb -> 8.47kb (14.26%)

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Co-authored-by: ImgBotApp <ImgBotHelp@gmail.com>
pull/402/head
imgbot[bot] 2020-05-29 10:28:31 +08:00 committed by GitHub
parent ab103bdf0b
commit ca331f2154
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