Change CreationTime in VolumeGroupSnapshotContentStatus from *int64 to *metav1.Time

[leonardoce]

What type of PR is this?

Uncomment only one /kind <> line, hit enter to put that in a new line, and remove leading whitespaces from that line:

/kind api-change

/kind bug
/kind cleanup
/kind design
/kind documentation
/kind failing-test
/kind feature
/kind flake

What this PR does / why we need it:

Which issue(s) this PR fixes:

Fixes #1234

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

`VolumeGroupSnapshotContent.status.creationTime` is now a metav1.Time instead of an unix epoch time

[leonardoce]

This is an example:

apiVersion: groupsnapshot.storage.k8s.io/v1beta1
kind: VolumeGroupSnapshot
metadata:
  annotations: [...]
  creationTimestamp: "2024-12-09T11:25:06Z"
  finalizers:
  - groupsnapshot.storage.kubernetes.io/volumegroupsnapshot-bound-protection
  generation: 1
  name: new-groupsnapshot-demo
  namespace: default
  resourceVersion: "5978312"
  uid: 6a6fd6de-5f59-4905-b597-fa6eb804365c
spec:
  source:
    selector:
      matchLabels:
        cnpg.io/instanceName: cluster-example-1
  volumeGroupSnapshotClassName: csi-hostpath-groupsnapclass
status:
  boundVolumeGroupSnapshotContentName: groupsnapcontent-6a6fd6de-5f59-4905-b597-fa6eb804365c
  creationTime: "2024-12-09T11:25:06Z"
  readyToUse: true
---
apiVersion: groupsnapshot.storage.k8s.io/v1beta1
kind: VolumeGroupSnapshotContent
metadata:
  creationTimestamp: "2024-12-09T11:25:06Z"
  finalizers:
  - groupsnapshot.storage.kubernetes.io/volumegroupsnapshotcontent-bound-protection
  generation: 1
  name: groupsnapcontent-6a6fd6de-5f59-4905-b597-fa6eb804365c
  resourceVersion: "5978282"
  uid: a2588324-6c6d-4ca3-9ea3-ad6b02ba81eb
spec:
  deletionPolicy: Delete
  driver: hostpath.csi.k8s.io
  source:
    volumeHandles:
    - 144f5adc-a591-11ef-a409-4ebdfafda5f0
    - 145063c3-a591-11ef-a409-4ebdfafda5f0
  volumeGroupSnapshotClassName: csi-hostpath-groupsnapclass
  volumeGroupSnapshotRef:
    apiVersion: groupsnapshot.storage.k8s.io/v1beta1
    kind: VolumeGroupSnapshot
    name: new-groupsnapshot-demo
    namespace: default
    resourceVersion: "5978268"
    uid: 6a6fd6de-5f59-4905-b597-fa6eb804365c
status:
  creationTime: "2024-12-09T11:25:06Z"
  readyToUse: true
  volumeGroupSnapshotHandle: 3e17685f-b620-11ef-b805-0eeddb14961f
  volumeSnapshotHandlePairList:
  - snapshotHandle: 3e176af8-b620-11ef-b805-0eeddb14961f
    volumeHandle: 144f5adc-a591-11ef-a409-4ebdfafda5f0
  - snapshotHandle: 3e7b6312-b620-11ef-b805-0eeddb14961f
    volumeHandle: 145063c3-a591-11ef-a409-4ebdfafda5f0

/assign @xing-yang

[xing-yang]

Can you change "proper time" to "metav1.Time" in the release note?

The code looks good to me.

[xing-yang]

/assign @msau42 @gnufied

[gnufied]

/lgtm

[msau42]

/lgtm

[xing-yang]

/approve

[k8s-ci-robot]

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