[submodule] Update submodule sonic-swss to the latest HEAD automatica…

…lly (sonic-net#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 (sonic-net#2853) (3 days ago) [Song Yuan]
```
#### How I did it
#### How to verify it
#### Description for the changelog