ztp: CNF-9748: Add ZAP labelling

[vitus133]

This commit adds ZTP site-generator capabilities needed for ZAP (ZTP Accelerated Provisioning):

• allow multiple manifestsConfigMapRefs in ACI, instead of the deprecated manifestsConfigMapRef
• add second configmap reference to ACI and label the managedCluster when ztp-accelerated-provisioning label
  is added to siteConfig clusterLabels and has one of the two predefined values

/cc @imiller0 @lack

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: vitus133

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[openshift-ci-robot]

@vitus133: This pull request references CNF-9748 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 the "4.15.0" version, but no target version was set.

In response to this:

This commit adds ZTP site-generator capabilities needed for ZAP (ZTP Accelerated Provisioning):

• allow multiple manifestsConfigMapRefs in ACI, instead of the deprecated manifestsConfigMapRef
• add second configmap reference to ACI and label the managedCluster when ztp-accelerated-provisioning label
  is added to siteConfig clusterLabels and has one of the two predefined values

/cc @imiller0 @lack

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[vitus133]

/hold

[vitus133]

/unhold

[openshift-ci]

@vitus133: 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/e2e-aws-ci-tests	bd0971f	link	true	/test e2e-aws-ci-tests

Full PR test history. Your PR dashboard.

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[vitus133]

/retest

[sabbir-47]

/lgtm

[sabbir-47]

@vitus133 : Just a quick note, when this feature will work end-to-end(PR from TALM gets merged), please update the upstream documentation in a separate PR.