*: fix the default value of cdc.min-ts-interval

[lilin90]

What is changed, added or deleted? (Required)

Fix the default value of cdc.min-ts-interval for v6.5.1 and later versions.

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

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For details, see tips for choosing the affected versions.

• master (the latest development version)
• v8.4 (TiDB 8.4 versions)
• v8.3 (TiDB 8.3 versions)
• v8.2 (TiDB 8.2 versions)
• v8.1 (TiDB 8.1 versions)
• v7.5 (TiDB 7.5 versions)
• v7.1 (TiDB 7.1 versions)
• v6.5 (TiDB 6.5 versions)
• v6.1 (TiDB 6.1 versions)
• v5.4 (TiDB 5.4 versions)
• v5.3 (TiDB 5.3 versions)

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

• This PR is translated from: *: fix the default value of cdc.min-ts-interval docs#18966
• Other reference link(s): Inter-TiKV idle network traffic increases about 100% since v6.5.0 tikv/tikv#14092

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

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-09-20 06:26:17.264575328 +0000 UTC m=+1201647.004999267: ☑️ agreed by hfxsd.

[lilin90]

/approve

[ti-chi-bot]

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[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-6.5: #18678.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-7.1: #18679.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-7.5: #18680.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-8.1: #18681.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-8.2: #18682.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-8.3: #18683.