Bump aws-sdk-s3 from 1.80.0 to 1.81.0 (#14826)

Bumps [aws-sdk-s3](https://github.com/aws/aws-sdk-ruby) from 1.80.0 to 1.81.0.
- [Release notes](https://github.com/aws/aws-sdk-ruby/releases)
- [Changelog](https://github.com/aws/aws-sdk-ruby/blob/master/gems/aws-sdk-s3/CHANGELOG.md)
- [Commits](https://github.com/aws/aws-sdk-ruby/commits

)

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