[submodule] Update submodule sonic-swss to the latest HEAD automatically (#16063)

#### Why I did it
src/sonic-swss
```
* 27b64579 - (HEAD -> 202305, origin/202305) Remove system neighbor DEL operation in m_toSync if SET operation for (#2853) (3 days ago) [Song Yuan]
```
#### How I did it
#### How to verify it
#### Description for the changelog

Author: mssonicbld