Add samuhale to approvers

[samuhale]

Is this a bug fix or adding new feature?

What is this PR about? / Why do we need it?
Add samuhale to approvers so I can review and approve PRs.

What testing is done?

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: dankova22, samuhale

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Needs approval from an approver in each of these files:

• OWNERS [dankova22]

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[dankova22]

/lgtm

[DavidXU12345]

/retest-required

[DavidXU12345]

/retest-required

[DavidXU12345]

/retest-required

[DavidXU12345]

/retest-required

[DavidXU12345]

/retest-required

[k8s-ci-robot]

@samuhale: 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
pull-aws-efs-csi-driver-external-test-eks	5dcfb32	link	true	/test pull-aws-efs-csi-driver-external-test-eks

Full PR test history. Your PR dashboard. Please help us cut down on flakes by linking to an open issue when you hit one in your PR.

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