Add Shubham82 to the reviewers

[Shubham82]

Requirements:
As per: https://github.com/kubernetes/community/blob/master/community-membership.md#reviewer

• member for at least 3 months - Yes, I have been an active member of the Kubernetes community for more than two years. (Member Request)
• Primary reviewer for at least 5 PRs to the codebase - Yes, Reviewd 264 PR so far(Open: 9 and closed: 255, merged: 226)
• Reviewed or merged at least 20 substantial PRs to the codebase - Yes, in addition to the above authored 72 PR so far
• 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

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: Shubham82
Once this PR has been reviewed and has the lgtm label, please assign gjtempleton for approval. For more information see the Kubernetes Code Review Process.

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

Needs approval from an approver in each of these files:

• charts/OWNERS
• cluster-autoscaler/OWNERS

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