Issue 71769: Correctly display '_' in the help message

[YoubingLi]

What type of PR is this?

/kind bug

What this PR does / why we need it:
Correctly display '_" in the help message

Which issue(s) this PR fixes:
Fixes #71769

Special notes for your reviewer:

Does this PR introduce a user-facing change?:
NONE

NONE

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I'm waiting for a kubernetes member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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[YoubingLi]

I signed it

[YoubingLi]

/check-cla

[YoubingLi]

/check-cla

[YoubingLi]

/check-cla

[YoubingLi]

Test result:

./kubectl apply edit-last-applied -h | grep _

The edit-last-applied command allows you to directly edit any API resource you can retrieve via the command line tools. It will open the editor defined by your KUBE_EDITOR, or EDITOR environment variables, or fall back to 'vi' for Linux or 'notepad' for Windows. You can edit multiple objects, although changes are applied one at a time. The command accepts filenames as well as command line arguments, although the files you point to must be previously saved versions of resources.

./kubectl diff -h | grep _

KUBECTL_EXTERNAL_DIFF environment variable can be used to select your own diff command. By default, the "diff" command available in your path will be run with "-u" (unicode) and "-N" (treat new files as empty) options.

./kubectl config rename-context -h | grep _

CONTEXT_NAME is the context name that you wish change.
NEW_NAME is the new name you wish to set.
kubectl config rename-context CONTEXT_NAME NEW_NAME [options]

./kubectl config unset --help | grep _

PROPERTY_NAME is a dot delimited name where each token represents either an attribute name or a map key. Map keys may not contain dots.
kubectl config unset PROPERTY_NAME [options]

[soltysh]

/ok-to-test
/priority important-longterm
/lgtm
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: soltysh, YoubingLi

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