Cleanup /tmp/src

### Container platform

OCP 4

### Version

1.20, 1.22, 1.24, 1.26

### OS version of the container image

RHEL 8

### Bugzilla, Jira

_No response_

### Description

`/tmp/src` should be cleaned up. Otherwise it's taking up double the space in the image layer, because `/tmp/src` is just copied and not moved to `/opt/app-root/src`.

### Reproducer

_No response_