[release-4.18] NO-JIRA: managed services: bump series limit

[openshift-cherrypick-robot]

This is an automated cherry-pick of #29369

/assign jbpratt

[openshift-ci]

@openshift-cherrypick-robot: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/e2e-gcp-ovn-rt-upgrade	e3d4c37	link	false	/test e2e-gcp-ovn-rt-upgrade
ci/prow/e2e-aws-ovn-single-node-upgrade	e3d4c37	link	false	/test e2e-aws-ovn-single-node-upgrade
ci/prow/e2e-aws-ovn-kube-apiserver-rollout	e3d4c37	link	false	/test e2e-aws-ovn-kube-apiserver-rollout
ci/prow/e2e-metal-ipi-ovn-kube-apiserver-rollout	e3d4c37	link	false	/test e2e-metal-ipi-ovn-kube-apiserver-rollout
ci/prow/e2e-metal-ipi-ovn	e3d4c37	link	false	/test e2e-metal-ipi-ovn

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[jbpratt]

/assign @stbenjam

[jbpratt]

/retest-required

[stbenjam]

/lgtm
/label backport-risk-assessed
/label cherry-pick-approved

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: openshift-cherrypick-robot, stbenjam

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