[submodule] Update submodule sonic-swss to the latest HEAD automatically (#19064)

#### Why I did it
src/sonic-swss
```
* 3ee73618 - (HEAD -> master, origin/master, origin/HEAD) [orchagent] Add support for Path Tracing Midpoint (#2903) (34 hours ago) [Carmine Scarpitta]
* 5ffb0b50 - [Bridge] Disable MAC learning for Link Local Mulitcast Frames on the kernel bridge (#3162) (2 days ago) [Gord Chen]
* de9baac1 - [Marvell] PFC Detect lua script (#3160) (2 days ago) [Rajkumar-Marvell]
* 31d9d6c1 - Add fabric counter rate mbps command handling. (#3129) (2 days ago) [jfeng-arista]
* 425a8526 - Parse subport value added to config_db (#3161) (2 days ago) [Bobby McGonigle]
```
#### How I did it
#### How to verify it
#### Description for the changelog

Author: mssonicbld