Needs approval from an approver in each of these files:
- ~~[OWNERS](https://github.com/pingcap/docs-tidb-operator/blob/release-1.6/OWNERS)~~ [Oreoxmt]
Approvers can indicate their approval by writing `/approve` in a comment
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This is an automated cherry-pick of #2565
First-time contributors' checklist
What is changed, added, or deleted? (Required)
bump KIND version as we already bump K8s (and its deps)
Which TiDB Operator version(s) do your changes apply to? (Required)
What is the related PR or file link(s)?