Add --detach-keys for kubectl attach command

[yangjunmyfm192085]

What type of PR is this?

/kind bug

What this PR does / why we need it:

use Ctrl+P and Ctrl+Q to exit the kubectl attach command normally.

Which issue(s) this PR is related to:

Fixes #134996

Special notes for your reviewer:

kubectl attach needs to support exiting via Ctrl+P and Ctrl+Q.

The crictl client has already implemented this.

Does this PR introduce a user-facing change?

Add the `--detach-keys` parameter to the `kubectl attach` command, allow to exit using Ctrl+P and Ctrl+Q.

Additional documentation e.g., KEPs (Kubernetes Enhancement Proposals), usage docs, etc.:

[k8s-ci-robot]

This issue is currently awaiting triage.

If a SIG or subproject determines this is a relevant issue, they will accept it by applying the triage/accepted label and provide further guidance.

The triage/accepted label can be added by org members by writing /triage accepted in a comment.

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-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: yangjunmyfm192085
Once this PR has been reviewed and has the lgtm label, please assign ardaguclu for approval. For more information see the 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:

• staging/src/k8s.io/kubectl/OWNERS

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

[yangjunmyfm192085]

/area kubectl