[3.9] Fix cpu_limit check in eventrouter template

[vrutkovs]

Cherrypick of #9229 on 3.9 branch

[sdodson]

/lgtm
/retest

[sdodson]

#9229 rather than 9224?

[vrutkovs]

@sdodson correct, updated

[openshift-ci-robot]

@vrutkovs: The following test failed, say /retest to rerun them all:

Test name	Commit	Details	Rerun command
ci/openshift-jenkins/gcp	25b8282	link	/test gcp

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[jcantrill]

/approve

[openshift-ci-robot]

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[jcantrill]

@sdodson Merging as the logging job passed