Job: Replace deprecated pointer utils with supported ones

[tenzen-y]

What type of PR is this?

/kind cleanup

What this PR does / why we need it:

In Job, I replaced deprecated pointer utils with supported ones.

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?

None

Additional documentation e.g., KEPs (Kubernetes Enhancement Proposals), usage docs, etc.:

[k8s-ci-robot]

This issue is currently awaiting triage.

If a SIG or subproject determines this is a relevant issue, they will accept it by applying the triage/accepted label and provide further guidance.

The triage/accepted label can be added by org members by writing /triage accepted in a comment.

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 kubernetes/test-infra repository.

[tenzen-y]

/assign @alculquicondor

[alculquicondor]

/lgtm
/approve

[k8s-ci-robot]

LGTM label has been added.

Git tree hash: b2634af56cf1e79c626311afe951ec78fc1452c8

[alculquicondor]

/label api-review

[liggitt]

this doesn't need api-review, it's not changing API surface at all

/remove-label api-review
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

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

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• pkg/apis/OWNERS [liggitt]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment