Add ck-build-containers target to build unmerged CloudKitty changes

[elfiesmelfie]

This allows testing the opens reviews in telemetry-operator

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: elfiesmelfie

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• OWNERS [elfiesmelfie]

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[openshift-ci]

@elfiesmelfie: The following test 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/precommit-check	ad01de1	link	true	/test precommit-check

Full PR test history. Your PR dashboard.

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[softwarefactory-project-zuul]

Build failed (check pipeline). Post recheck (without leading slash)
to rerun all jobs. Make sure the failure cause has been resolved before
you rerun jobs.

https://softwarefactory-project.io/zuul/t/rdoproject.org/buildset/52ffcd8cf4dc4de19747861218f06742

✔️ openstack-k8s-operators-content-provider SUCCESS in 2h 01m 28s
✔️ podified-multinode-edpm-deployment-crc SUCCESS in 1h 19m 08s
✔️ telemetry-openstack-meta-content-provider-master SUCCESS in 2h 31m 23s
❌ telemetry-operator-multinode-default-telemetry FAILURE in 35m 11s
✔️ functional-tests-osp18 SUCCESS in 2h 04m 27s

[elfiesmelfie]

recheck