Needs approval from an approver in each of these files:
- ~~[docs/OWNERS](https://github.com/karmada-io/website/blob/main/docs/OWNERS)~~ [RainbowMango]
- ~~[i18n/OWNERS](https://github.com/karmada-io/website/blob/main/i18n/OWNERS)~~ [RainbowMango]
Approvers can indicate their approval by writing `/approve` in a comment
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What type of PR is this?
/kind documentation
What this PR does / why we need it:
improve releasing doc
Which issue(s) this PR fixes: Fixes #
Special notes for your reviewer: