Update fine grained shuffle stream count description

[yibin87]

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• This PR is translated from:Update fine grained shuffle stream count description (#17064) docs-cn#17066
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[windtalker]

LGTM

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Timeline:

• 2024-04-11 01:03:04.254939254 +0000 UTC m=+1097045.782479794: ☑️ agreed by hfxsd.

[hfxsd]

/approve

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[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-7.6: #17130.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-8.0: #17131.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-7.1: #17132.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-7.4: #17133.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-7.5: #17134.