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

…lly (#21839)

#### Why I did it
src/sonic-swss
```
* e21b5a5a - (HEAD -> 202411, origin/202411) Link orchagent against jemalloc (#3530) (22 hours ago) [mssonicbld]
* aac84b5d - Merge pull request #3531 from mssonicbld/cherry/202411/3426 (26 hours ago) [Kumaresh Perumal]
* 272f45a9 - vlanmgrd not to throw exception for Portchannel ip link add because of race condition with PortChannel removal. (29 hours ago) [Sonic Build Admin]
```
#### How I did it
#### How to verify it
#### Description for the changelog