Fix typo

[MiladAtef]

Replace this paragraph with a description of what this PR is changing or adding, and why. Consider including before/after screenshots.

List which issues are fixed by this PR. You must list at least one issue.

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• I read the Contributor Guide and followed the process outlined there for submitting PRs.
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• The title of the PR starts with the name of the package surrounded by square brackets, e.g. [shared_preferences]
• I linked to at least one issue that this PR fixes in the description above.
• I updated pubspec.yaml with an appropriate new version according to the pub versioning philosophy, or I have commented below to indicate which version change exemption this PR falls under¹.
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[auto-submit]

autosubmit label was removed for flutter/packages/9492, because This PR has not met approval requirements for merging. The PR author is not a member of flutter-hackers and needs 1 more review(s) in order to merge this PR.

• Merge guidelines: A PR needs at least one approved review if the author is already part of flutter-hackers or two member reviews if the author is not a flutter-hacker before re-applying the autosubmit label. Reviewers: If you left a comment approving, please use the "approve" review action instead.

[auto-submit]

autosubmit label was removed for flutter/packages/9492, because - The status or check suite Linux repo_checks has failed. Please fix the issues identified (or deflake) before re-applying this label.

[stuartmorgan-g]

Thanks for the contribution! Please complete the PR checklist, which is there for a reason. CI is failing because of required steps in that list that were skipped.