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

…lly (#19177)

#### Why I did it
src/sonic-swss
```
* 172da1f5 - (HEAD -> 202305, origin/202305) change log level from ERR to WARN for pfc asym sai attribute not supported (#3125) (13 hours ago) [Zhixin Zhu]
```
#### How I did it
#### How to verify it
#### Description for the changelog