Add skeleton for ClusterStoragePolicyInfo controller

[skogta]

What this PR does / why we need it:
This PR adds the skeleton for ClusterStoragePolicyInfo Controller.

At a high level it covers the following changes:

1. Apply ClusterSPI CRD.
2. Watch for SC and VAC creation inside the controller.
3. Create ClusterSPI CR if it does not already exist for the given SC/VAC.
4. Add ownerref of SC and VAC at the time of creation.
5. Do not create a clusterCPI in case WFFC volumebinding mode.

Testing done:
clusrerSPI CRs got created for each SC on their own:

k get clusterspi
NAME                                                   AGE
management-storage-policy-encryption                   10m
management-storage-policy-regular                      10m
management-storage-policy-single-node                  10m
management-storage-policy-stretched-lite               10m
management-storage-policy-thin                         10m
vm-encryption-policy                                   10m
vsan-default-storage-policy                            10m

 k get clusterspi -oyaml management-storage-policy-encryption

apiVersion: cns.vmware.com/v1alpha1
kind: ClusterStoragePolicyInfo
metadata:
  creationTimestamp: "2026-04-17T09:19:21Z"
  generation: 1
  name: management-storage-policy-encryption
  ownerReferences:
  - apiVersion: storage.k8s.io/v1
    blockOwnerDeletion: false
    controller: false
    kind: StorageClass
    name: management-storage-policy-encryption
    uid: a66c6122-5f8a-4dc8-b78a-eb13755e0d3a
  resourceVersion: "2482860"
  uid: ffea23c8-8fb2-48b1-8d40-99b14a3abf99
spec:
  k8sCompliantName: management-storage-policy-encryption

Manually created 1 CR:

root@4212ef7b3c931047671ef485ba899967 [ ~ ]# k get clusterspi -oyaml my-gold-policy
apiVersion: cns.vmware.com/v1alpha1
kind: ClusterStoragePolicyInfo
metadata:
  annotations:
    kubectl.kubernetes.io/last-applied-configuration: |
      {"apiVersion":"cns.vmware.com/v1alpha1","kind":"ClusterStoragePolicyInfo","metadata":{"annotations":{},"name":"my-gold-policy"},"spec":{"k8sCompliantName":"gold-policy-k8s-name"}}
  creationTimestamp: "2026-04-17T09:21:47Z"
  generation: 1
  name: my-gold-policy
  resourceVersion: "2484343"
  uid: 5ddc2b89-c298-47be-bf48-17a11be88753
spec:
  k8sCompliantName: gold-policy-k8s-name

WCP precheckin (passed): https://jenkins-vcf-csifvt.devops.broadcom.net/job/wcp-instapp-e2e-pre-checkin/1268/
VKS precheckin (failed): https://jenkins-vcf-csifvt.devops.broadcom.net/job/vks-instapp-e2e-pre-checkin/1022/

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: skogta
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