change sum_rate to sum_irate in dashboards and prometheusrules

[austincunningham]

What

After deploying the monitoring stack I notices a number of panels with no data
This may be due to me using the latest version of grafana and prometheus in Operatorhub

• grafana 7.5.15
• prometheus 0.47.0

found a lot of the queries that failed were using
node_namespace_pod_container:container_cpu_usage_seconds_total:sum_rate

found they panels work again if switched to
node_namespace_pod_container:container_cpu_usage_seconds_total:sum_irate

And found an issue regarding this change regarding a breaking change from rate to irate
kubernetes-monitoring/kubernetes-mixin#670

Guessing this can't merge because of the older versions of prometheus and grafana don't support it.

[openshift-ci]

@austincunningham: PR needs rebase.

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[openshift-ci]

Hi @austincunningham. Thanks for your PR.

I'm waiting for a 3scale 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.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

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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.

[codeclimate]

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[austincunningham]

Looks like this has already updated. must be working off an older branch.

[eguzki]

Fixed in #744