[release-4.21] OCPBUGS-90543: fix etcd operator deadlock when etcd-endpoints configmap is stale

[openshift-cherrypick-robot]

This is an automated cherry-pick of #1631

/assign dpateriya

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[openshift-ci-robot]

@openshift-cherrypick-robot: Jira Issue OCPBUGS-88490 has been cloned as Jira Issue OCPBUGS-90543. Will retitle bug to link to clone.
/retitle [release-4.21] OCPBUGS-90543: fix etcd operator deadlock when etcd-endpoints configmap is stale

Details

In response to this:

This is an automated cherry-pick of #1631

/assign dpateriya

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[openshift-ci-robot]

@openshift-cherrypick-robot: This pull request references Jira Issue OCPBUGS-90543, which is invalid:

• release note text must be set and not match the template OR release note type must be set to "Release Note Not Required". For more information you can reference the OpenShift Bug Process.
• expected dependent Jira Issue OCPBUGS-88490 to be in one of the following states: VERIFIED, RELEASE PENDING, CLOSED (ERRATA), CLOSED (CURRENT RELEASE), CLOSED (DONE), CLOSED (DONE-ERRATA), but it is MODIFIED instead
• expected dependent Jira Issue OCPBUGS-88490 to target a version in 4.22.0, but it targets "5.0" instead

Comment /jira refresh to re-evaluate validity if changes to the Jira bug are made, or edit the title of this pull request to link to a different bug.

The bug has been updated to refer to the pull request using the external bug tracker.

Details

In response to this:

This is an automated cherry-pick of #1631

/assign dpateriya

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