[submodule] Update submodule sonic-swss to the latest HEAD automatically (sonic-net#19394)

#### Why I did it
src/sonic-swss
```
* d20294a3 - (HEAD -> master, origin/master, origin/HEAD) Remove buffer maximum parameter table when the port is removed (sonic-net#3199) (9 hours ago) [Stephen Sun]
* 1b87ce91 - Update oper_status of LAG_TABLE in state_db (sonic-net#3195) (9 hours ago) [super-jiying]
```
#### How I did it
#### How to verify it
#### Description for the changelog

Author: mssonicbld