[submodule][202503] Update submodule sonic-swss to the latest HEAD automatically

[mssonicbld]

Why I did it

src/sonic-swss

* aa21109 - (HEAD -> 202503, origin/202503) Merge pull request #97 from mssonicbld/sonicbld/202503-merge (21 hours ago) [mssonicbld]
* 7c1afc6 - Merge branch '202412' of https://github.com/Azure/sonic-swss.msft into 202503 (23 hours ago) [Sonic Automation]
* 9796a41 - Merge pull request #94 from mssonicbld/sonicbld/202412-merge (2 days ago) [mssonicbld]
* f8c4199 - Merge branch '202411' of https://github.com/sonic-net/sonic-swss into 202412 (2 days ago) [Sonic Automation]
* 4fe09b5 - [202411] fix dhcp_relay issue on marvell-teralynx (#3638) (2 days ago) [Ravi Minnikanti(Marvell)]

How I did it

How to verify it

Description for the changelog