[code sync] Merge code from sonic-net/sonic-buildimage:202411 to 202412#708

Merged

mssonicbld merged 3 commits intoAzure:202412from

mssonicbld:sonicbld/202412-merge

Feb 26, 2025

Commits on Feb 25, 2025

[submodule] Update submodule sonic-swss to the latest HEAD automatically (#21839)
mssonicbld
authored
Update PG flow control threshold based on port speed (not on hwsku) (#21834)
mssonicbld
authored

Commits on Feb 26, 2025

Merge branch '202411' of https://github.com/sonic-net/sonic-buildimage into 202412
mssonicbld
committed