[Add-on] Add kube-state-metrics add-on

[tuannvm]

Why?

• Add kube-state-metrics as default add-on.

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[tuannvm]

/assign @zmerlynn

[gambol99]

I believe upup/pkg/fi/cloudup/bootstrapchannelbuilder.go needs to be updated to reference the manifest for deployment .. The PR looks fine a more general decision needs to be made by @chrislovecnm / @justinsb as to whether this should be part of kops ... I'm inclined to keep kops related to cluster build only and not support a collection a feature base addons

[tuannvm]

thanks for the info @gambol99

[justinsb]

I'm definitely happy to have it in addons/; we can also promote it to an automatically installed part of kops separately/additionally.

Going to close & reopen to retrigger e2e.

[justinsb]

/lgtm

Thanks @tuannvm !

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[k8s-github-robot]

/test all [submit-queue is verifying that this PR is safe to merge]

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