i18n-zh-release-8.5: sync ZH TOC changes 20260122-1769053192

[github-actions]

What is changed, added or deleted? (Required)

Sync Chinese Cloud TOC files based on English TOC updates from release-8.5 branch.

Which TiDB version(s) do your changes apply to? (Required)

Tips for choosing the affected version(s):

By default, CHOOSE MASTER ONLY so your changes will be applied to the next TiDB major or minor releases. If your PR involves a product feature behavior change or a compatibility change, CHOOSE THE AFFECTED RELEASE BRANCH(ES) AND MASTER.

For details, see tips for choosing the affected versions.

• i18n-zh-release-8.5

What is the related PR or file link(s)?

• This PR syncs TOC changes from: release-8.5
• Other reference link(s):

Do your changes match any of the following descriptions?

• Delete files
• Change aliases
• Need modification after applied to another branch
• Might cause conflicts after applied to another branch

[ti-chi-bot]

Hi @github-actions[bot]. Thanks for your PR.

I'm waiting for a pingcap 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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[qiancai]

/approve

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: qiancai

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• OWNERS [qiancai]

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[ti-chi-bot]

@qiancai: You cannot manually add or delete the cherry pick approval state labels, only I and the tursted members have permission to do so. You can approve it in internal platform.

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In response to removing label named approved.

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[qiancai]

/ok-to-test