[submodule] Update submodule sonic-platform-daemons to the latest HEAD automatically (#18218)

#### Why I did it
src/sonic-platform-daemons
```
* b9e6ba5 - (HEAD -> master, origin/master, origin/HEAD) Updated supported CMIS module types in xcvrd to include new module for SPC4 (#440) (25 hours ago) [Tomer Shalvi]
```
#### How I did it
#### How to verify it
#### Description for the changelog

Author: mssonicbld