[submodule] Update submodule sonic-swss to the latest HEAD automatically (#17142)

#### Why I did it
src/sonic-swss
```
* 644b227a - (HEAD -> master, origin/master, origin/HEAD) [portsorch]: Implement port PFC asym capability check (#2942) (3 days ago) [Nazarii Hnydyn]
```
#### How I did it
#### How to verify it
#### Description for the changelog
This commit is contained in:
mssonicbld
2023-11-14 16:33:10 +08:00
committed by GitHub
parent fa05bf183a
commit 1e93efaf93