Update Owners to add label

[Okabe-Junya]

What type of PR is this?

What this PR does / why we need it:

• Add area/ label according to each modified directory
  • To make it easier for reviewers (and contributor) to find PRs

Special notes for your reviewer:

Required action (need repo:write for this repo)
From GitHub repo label settings, please create the following labels:

Updated: Opened kubernetes/test-infra#35641

area/aotearoa
area/australia
area/austria
area/barcelona
area/bay-area-kube-day
area/beijing
area/brazil
area/czechia
area/denmark
area/denver
area/india
area/japan
area/oscon-2019
area/paris
area/remote
area/sandiego
area/seattle

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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

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• OWNERS

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