[submodule] Update submodule sonic-platform-common to the latest HEAD automatically (sonic-net#642)

#### Why I did it
src/sonic-platform-common
```
* 7a5807f - (HEAD -> 202405, origin/202405) [cmis] Optimize cmis.get_error_description speed for passive module (sonic-net#541) (sonic-net#29) (21 hours ago) [mssonicbld]
```
#### How I did it
#### How to verify it
#### Description for the changelog

Author: mssonicbld