[ImgBot] optimizes images

[imgbot]

Beep boop. Your images are optimized!

Your image file size has been reduced by 33% 🎉

Details

File	Before	After	Percent reduction
/content/docs/setup/kubernetes/platform-setup/alicloud/csconsole.png	375.59kb	251.11kb	33.14%
/content/docs/setup/kubernetes/quick-start-alicloud-ack/app-catalog-istio-1.0.0.png	183.75kb	126.33kb	31.25%
Total :	559.34kb	377.43kb	32.52%

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[istio-testing]

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[istio-testing]

Hi @imgbot[bot]. Thanks for your PR.

I'm waiting for a istio member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.