binlog: fix typo

[lance6716]

What is changed, added or deleted? (Required)

fix typo

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

• master (the latest development version)
• v5.0 (TiDB 5.0 versions)
• v4.0 (TiDB 4.0 versions)
• v3.1 (TiDB 3.1 versions)
• v3.0 (TiDB 3.0 versions)
• v2.1 (TiDB 2.1 versions)

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

• This PR is translated from:
• 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

[TomShawn]

LGTM

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• TomShawn

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[TomShawn]

/merge

[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: 920aa1a

[ti-chi-bot]

In response to a cherrypick label: new pull request created: #6321.

[ti-chi-bot]

In response to a cherrypick label: new pull request created: #6322.

[ti-chi-bot]

In response to a cherrypick label: new pull request created: #6323.

[ti-chi-bot]

In response to a cherrypick label: new pull request created: #6324.

[ti-chi-bot]

In response to a cherrypick label: new pull request created: #6325.

[Liuxiaozhen12]

/remove-translation doing
/translation done

[ti-chi-bot]

In response to a cherrypick label: new pull request could not be created: failed to create pull request against pingcap/docs-cn#release-2.1 from head ti-chi-bot:cherry-pick-6320-to-release-2.1: status code 422 not one of [201], body: {"message":"Validation Failed","errors":[{"resource":"PullRequest","code":"custom","message":"No commits between pingcap:release-2.1 and ti-chi-bot:cherry-pick-6320-to-release-2.1"}],"documentation_url":"https://docs.github.com/rest/reference/pulls#create-a-pull-request"}

[ti-chi-bot]

In response to a cherrypick label: new pull request could not be created: failed to create pull request against pingcap/docs-cn#release-3.0 from head ti-chi-bot:cherry-pick-6320-to-release-3.0: status code 422 not one of [201], body: {"message":"Validation Failed","errors":[{"resource":"PullRequest","code":"custom","message":"No commits between pingcap:release-3.0 and ti-chi-bot:cherry-pick-6320-to-release-3.0"}],"documentation_url":"https://docs.github.com/rest/reference/pulls#create-a-pull-request"}

[ti-chi-bot]

In response to a cherrypick label: new pull request could not be created: failed to create pull request against pingcap/docs-cn#release-3.1 from head ti-chi-bot:cherry-pick-6320-to-release-3.1: status code 422 not one of [201], body: {"message":"Validation Failed","errors":[{"resource":"PullRequest","code":"custom","message":"No commits between pingcap:release-3.1 and ti-chi-bot:cherry-pick-6320-to-release-3.1"}],"documentation_url":"https://docs.github.com/rest/reference/pulls#create-a-pull-request"}

[ti-chi-bot]

In response to a cherrypick label: new pull request could not be created: failed to create pull request against pingcap/docs-cn#release-4.0 from head ti-chi-bot:cherry-pick-6320-to-release-4.0: status code 422 not one of [201], body: {"message":"Validation Failed","errors":[{"resource":"PullRequest","code":"custom","message":"No commits between pingcap:release-4.0 and ti-chi-bot:cherry-pick-6320-to-release-4.0"}],"documentation_url":"https://docs.github.com/rest/reference/pulls#create-a-pull-request"}

[ti-chi-bot]

In response to a cherrypick label: new pull request could not be created: failed to create pull request against pingcap/docs-cn#release-5.0 from head ti-chi-bot:cherry-pick-6320-to-release-5.0: status code 422 not one of [201], body: {"message":"Validation Failed","errors":[{"resource":"PullRequest","code":"custom","message":"No commits between pingcap:release-5.0 and ti-chi-bot:cherry-pick-6320-to-release-5.0"}],"documentation_url":"https://docs.github.com/rest/reference/pulls#create-a-pull-request"}