OCPEDGE-799: feat: make aggregated sno upgrade job blocking

[eggfoobar]

/hold

Hold until after branch cut.

[openshift-ci-robot]

@eggfoobar: This pull request references OCPEDGE-799 which is a valid jira issue.

Warning: The referenced jira issue has an invalid target version for the target branch this PR targets: expected the story to target either version "4.18." or "openshift-4.18.", but it targets "openshift-4.17" instead.

In response to this:

/hold

Hold until after branch cut.

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[openshift-ci-robot]

[REHEARSALNOTIFIER]
@eggfoobar: no rehearsable tests are affected by this change

[suleymanakbas91]

/lgtm

[eggfoobar]

Hey @neisw, if we're good with the branching, this should be good to merge in, wdyt?

[neisw]

/lgtm

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: eggfoobar, neisw, suleymanakbas91

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• core-services/release-controller/_releases/OWNERS [neisw]

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[suleymanakbas91]

/unhold

[openshift-ci]

@eggfoobar: all tests passed!

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