Bump aws/aws-sdk-php from 3.178.4 to 3.178.5

Bumps [aws/aws-sdk-php](https://github.com/aws/aws-sdk-php) from 3.178.4 to 3.178.5.
- [Release notes](https://github.com/aws/aws-sdk-php/releases)
- [Changelog](https://github.com/aws/aws-sdk-php/blob/master/CHANGELOG.md)
- [Commits](aws/aws-sdk-php@3.178.4...3.178.5)

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