[ci] Update COO subscription playbook for local execution

[elfiesmelfie]

Add defaults to the expected vars.

This makes it easier to test telemetry-operator locally, since the dependency install becomes easier.

Depends-On: #785

[openshift-ci]

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[elfiesmelfie]

/retest-required

[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/2009218524774f6c97339f0be4d163e6

✔️ openstack-k8s-operators-content-provider SUCCESS in 1h 44m 33s
✔️ podified-multinode-edpm-deployment-crc SUCCESS in 1h 16m 25s
✔️ telemetry-openstack-meta-content-provider-master SUCCESS in 2h 59m 27s
✔️ telemetry-operator-multinode-default-telemetry SUCCESS in 1h 23m 03s
❌ functional-tests-osp18 FAILURE in 2h 37m 39s

[elfiesmelfie]

recheck

[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/137810f606f6420b9eba25c771644651

✔️ openstack-k8s-operators-content-provider SUCCESS in 1h 46m 00s
✔️ podified-multinode-edpm-deployment-crc SUCCESS in 1h 25m 26s
✔️ telemetry-openstack-meta-content-provider-master SUCCESS in 3h 10m 01s
✔️ telemetry-operator-multinode-default-telemetry SUCCESS in 1h 25m 38s
❌ functional-tests-osp18 FAILURE in 2h 40m 29s

[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/e6d14f60efce42798f9ea9bfc8aeb61e

✔️ openstack-k8s-operators-content-provider SUCCESS in 1h 48m 18s
✔️ podified-multinode-edpm-deployment-crc SUCCESS in 1h 21m 53s
❌ telemetry-openstack-meta-content-provider-master FAILURE in 8m 51s
✔️ telemetry-operator-multinode-default-telemetry SUCCESS in 1h 26m 57s
⚠️ functional-tests-osp18 SKIPPED Skipped due to failed job telemetry-openstack-meta-content-provider-master