data/manifests: update the upstream Cincinnati URL

[crawford]

Now that Cincinnati is running in production, the CVO should refer to
that service instead of localhost. This will allow the clusters to check
for updates. Whether or not they can apply them is another story...

[crawford]

/hold

I'll let @smarterclayton lift the hold on this once once he's ready.

[smarterclayton]

Will double check tonight

[openshift-ci-robot]

@crawford: The following tests failed, say /retest to rerun them all:

Test name	Commit	Details	Rerun command
ci/prow/e2e-openstack	973b8dd	link	/test e2e-openstack
ci/prow/e2e-libvirt	973b8dd	link	/test e2e-libvirt

Full PR test history. Your PR dashboard. Please help us cut down on flakes by linking to an open issue when you hit one in your PR.

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[smarterclayton]

This is fine to merg

/hold cancel
/lgtm

[openshift-ci-robot]

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