Bump aws/aws-sdk-php from 3.173.27 to 3.173.28
Bump aws/aws-sdk-php from 3.173.27 to 3.173.28

Bumps [aws/aws-sdk-php](https://github.com/aws/aws-sdk-php) from 3.173.27 to 3.173.28.
- [Release notes](https://github.com/aws/aws-sdk-php/releases)
- [Changelog](https://github.com/aws/aws-sdk-php/blob/master/CHANGELOG.md)
- [Commits](https://github.com/aws/aws-sdk-php/compare/3.173.27...3.173.28)

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