[submodule] Update submodule sonic-utilities to the latest HEAD automatically (#805)

#### Why I did it
src/sonic-utilities
```
* 7e40ad05 - (HEAD -> 202405, origin/202405) enable pfcwd for backplane ports (#145) (10 hours ago) [mssonicbld]
```
#### How I did it
#### How to verify it
#### Description for the changelog

Author: mssonicbld