add workflow to helm release and update ct for branch

[strongjz]

Allow helm ci to run from workflow dispatch and update ct to run on release branch

[k8s-ci-robot]

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[tao12345666333]

/lgtm

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: strongjz, tao12345666333

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[Gacko]

/cherry-pick main

[k8s-infra-cherrypick-robot]

@Gacko: new pull request created: #11378

In response to this:

/cherry-pick main

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