Fill the CreationTimestamp field in the visibility.PendingWorkload object

[PBundyra]

What type of PR is this?

/kind feature

What this PR does / why we need it:

This PR continues the development of KEP#168-2

Which issue(s) this PR fixes:

Special notes for your reviewer:

Does this PR introduce a user-facing change?

NONE

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[k8s-ci-robot]

Hi @PBundyra. Thanks for your PR.

I'm waiting for a kubernetes-sigs member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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[PBundyra]

/assign @mimowo
/assign @alculquicondor
/assign @tenzen-y

[mimowo]

/ok-to-test

[mimowo]

/lgtm
/assign @alculquicondor @tenzen-y

[k8s-ci-robot]

LGTM label has been added.

Git tree hash: e66bd63dd0af9e151e0250919a20fb5205881e49

[tenzen-y]

/lgtm
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: PBundyra, tenzen-y

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[alculquicondor]

/release-note-edit

NONE

Not worth a note given that the feature was unreleased.