txn: fix the maximum value of a transaction from 10GB to 1 TiB

[hfxsd]

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[ekexium]

这个 4.0 的 release note 需要改成 1 TiB 吗？应该也是 10 GiB 吧

[hfxsd]

@crazycs520 PTAL

[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-10-12 04:27:14.145845908 +0000 UTC m=+72431.294755737: ☑️ agreed by crazycs520.

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[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-8.1: #18806.

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In response to a cherrypick label: new pull request could not be created: failed to create pull request against pingcap/docs-cn#release-8.2 from head ti-chi-bot:cherry-pick-18805-to-release-8.2: the GitHub API request returns a 403 error: {"message":"You have exceeded a secondary rate limit and have been temporarily blocked from content creation. Please retry your request again later. If you reach out to GitHub Support for help, please include the request ID D536:13F890:2CF348E:55F151E:670A3CDB and timestamp 2024-10-12 09:09:48 UTC.","documentation_url":"https://docs.github.com/rest/overview/rate-limits-for-the-rest-api#about-secondary-rate-limits","status":"403"}

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-8.3: #18807.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-6.5: #18808.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-7.1: #18809.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-7.5: #18810.