doc: update link to where need to update the cocc group in k/k8s.io

[cpanato]

the link for the groups.yaml is outdated and points to another file, this PR update the link

notice that while doing kubernetes/k8s.io#3105 / #6245

/assign @celestehorgan @palnabarun @karenhchu @vllry

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[tpepper]

Hah just mentioned in the PR we might need a docs update to clearly cover k8s.io's repo OWNERS_ALIASES, groups/committee-code-of-conduct/groups.yaml, and also groups/groups.yaml

[cpanato]

closing in favor of #6216

/close

[k8s-ci-robot]

@cpanato: Closed this PR.

In response to this:

closing in favor of #6216

/close

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