Bump aws-partitions from 1.253.0 to 1.254.0
Bump aws-partitions from 1.253.0 to 1.254.0

Bumps [aws-partitions](https://github.com/aws/aws-sdk-ruby) from 1.253.0 to 1.254.0.
- [Release notes](https://github.com/aws/aws-sdk-ruby/releases)
- [Changelog](https://github.com/aws/aws-sdk-ruby/blob/master/gems/aws-partitions/CHANGELOG.md)
- [Commits](https://github.com/aws/aws-sdk-ruby/commits)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
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