API-1690: KMS Encryption Provider for Etcd Secrets

[swghosh]

[TP] Support Kube KMS Integration in OCP (User-Provided)

[openshift-ci]

Skipping CI for Draft Pull Request.
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[openshift-ci]

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[openshift-ci-robot]

@swghosh: This pull request references API-1690 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 task to target the "4.18.0" version, but no target version was set.

In response to this:

[TP] Support Kube KMS Integration in OCP (User-Provided)

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the openshift-eng/jira-lifecycle-plugin repository.

[swghosh]

/cc @dgrisonnet