[submodule] Update submodule sonic-swss to the latest HEAD automatically (sonic-net#20905)

#### Why I did it
src/sonic-swss
```
* 1847195c - (HEAD -> master, origin/master, origin/HEAD) Add port FEC BER feature swss, HLD#1829 (sonic-net#3363) (9 hours ago) [vincentpcng]
* 3d5ac540 - Create counter for the queue to which the host CPU traffic is sent when create_only_config_db_buffers is enabled (sonic-net#3334) (10 hours ago) [Stephen Sun]
```
#### How I did it
#### How to verify it
#### Description for the changelog

Author: mssonicbld