[submodule] Update submodule sonic-sairedis to the latest HEAD automatically (sonic-net#19131)

#### Why I did it
src/sonic-sairedis
```
* c8cede0f - (HEAD -> master, origin/master, origin/HEAD) [syncd] Enable bulk api for neighbor entries (sonic-net#1373) (6 days ago) [Nikola Dancejic]
* 270fed7e - Clean up and refactor duplicated code and auto generate sai stub for libraries (sonic-net#1384) (8 days ago) [Kamil Cudnik]
```
#### How I did it
#### How to verify it
#### Description for the changelog

Author: mssonicbld