[submodule][202412] Update submodule sonic-platform-common to the latest HEAD automatically (sonic-net#1039)

#### Why I did it
src/sonic-platform-common
```
* 60b9fcf - (HEAD -> 202412, origin/202412) Fix alignment for _create_cmis_api() (#78) (4 hours ago) [Prince George]
```
#### How I did it
#### How to verify it
#### Description for the changelog

Author: r12f