[submodule] Update submodule sonic-swss to the latest HEAD automatically (#16695)

#### Why I did it
src/sonic-swss
```
* 9647b81f - (HEAD -> 202211, origin/202211) [muxorch] Reorder the neighbor disable operations (#2917) (12 hours ago) [Longxiang Lyu]
* 30cea968 - Support type7 encoded CAK key for macsec in config_db (#2892) (5 days ago) [judyjoseph]
* 8d76a4e7 - [202211][ppi]: General code cleanup: remove unused methods. (#2868) (3 weeks ago) [Nazarii Hnydyn]
```
#### How I did it
#### How to verify it
#### Description for the changelog

Author: mssonicbld