[submodule] Update submodule sonic-platform-daemons to the latest HEAD automatically (#20878)

#### Why I did it
src/sonic-platform-daemons
```
* b276e41 - (HEAD -> master, origin/master, origin/HEAD) [SmartSwitch] Extend implementation of the DPU chassis daemon. (Azure#563) (9 hours ago) [Oleksandr Ivantsiv]
```
#### How I did it
#### How to verify it
#### Description for the changelog

Author: mssonicbld