Fix cohort client-go bug for v1beta1

[tenzen-y]

What type of PR is this?

/kind bug

What this PR does / why we need it:

Even though Cohort is Cluster-scope resource, the client-go is generated for namespaced resource.

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?

Fix a bug that the cohort client-go lib is for a Namespaced resource, even though the cohort is a Cluster-scoped resource.

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[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: tenzen-y

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• OWNERS [tenzen-y]

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[tenzen-y]

/cherry-pick release-0.13
/cherry-pick release-0.14

[k8s-infra-cherrypick-robot]

@tenzen-y: once the present PR merges, I will cherry-pick it on top of release-0.13, release-0.14 in new PRs and assign them to you.

In response to this:

/cherry-pick release-0.13
/cherry-pick release-0.14

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository.

[kannon92]

/lgtm

[k8s-ci-robot]

LGTM label has been added.

Git tree hash: 27e6c24312e8f4af0684ac2b8124692d246bf106

[k8s-infra-cherrypick-robot]

@tenzen-y: new pull request created: #7801

In response to this:

/cherry-pick release-0.13
/cherry-pick release-0.14

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository.

[k8s-infra-cherrypick-robot]

@tenzen-y: new pull request created: #7802

In response to this:

/cherry-pick release-0.13
/cherry-pick release-0.14

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository.