sub_directory not working after 7.4

[Nico-Schaefer-2111]

Deployer Version

=7.4.x

Target OS

Ubuntu

Which PHP version are you using?

PHP 8.4

Content of deploy.php or deploy.yaml

No response

Steps to reproduce

I am deploying shopware 6 project.
Since there are multiple files and directories in the project root, I always used "sub_directory" to deploy only the necessary source code. Until 7.3.x it worked all fine. When I try to update to >= 7.4.x Deployer always deploys the repository root and therefore throws some errors. After downgrade to 7.3.x it works all fine again.
Even with version 8.x it does not work