[release-1.27] Add kmala to the owners file

[kmala]

What type of PR is this?

What this PR does / why we need it:

Add @kmala to the owners file

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

[k8s-ci-robot]

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[kmala]

/release-note-none

/assign @cartermckinnon

[hakman]

/lgtm /approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: hakman

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Needs approval from an approver in each of these files: - ~~[OWNERS](https://github.com/kubernetes/cloud-provider-aws/blob/release-1.27/OWNERS)~~ [hakman] Approvers can indicate their approval by writing `/approve` in a comment Approvers can cancel approval by writing `/approve cancel` in a comment