chore: add vadasambar to cluster-autoscaler reviewers

[vadasambar]

Signed-off-by: vadasambar [email protected]

Requirements

From https://github.com/kubernetes/community/blob/4aac5c07b006acf242b9fddea7f67c7781e1eef7/community-membership.md#reviewer

• member for at least 3 months I have been a member for more than a year (first PR)
• Primary reviewer for at least 5 PRs to the codebase 8 of them merged (rest)
• Reviewed or merged at least 20 substantial PRs to the codebase 20+ of them (12 merged, 8 reviewed) (rest)
• Knowledgeable about the codebase Yes
• Sponsored by a subproject approver
  • With no objections from other approvers
  • Done through PR to update the OWNERS file
• May either self-nominate, be nominated by an approver in this subproject, or be nominated by a robot

/assign @gjtempleton

[gjtempleton]

/approve
Thanks for all your contributions so far, looking forward to more in the future!

[gjtempleton]

/lgtm

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: gjtempleton, vadasambar

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Needs approval from an approver in each of these files:

• cluster-autoscaler/OWNERS [gjtempleton]

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