[code sync] Merge code from sonic-net/sonic-buildimage:202411 to 202412 (sonic-net#737)

```<br>* f78fff19c - (HEAD -> 202412) Merge branch '202411' of https://github.com/sonic-net/sonic-buildimage into 202412 (2025-02-28) [Sonic Automation]
* dac861a - (head/202411) [submodule] Update submodule sonic-utilities to the latest HEAD automatically (sonic-net#21859) (2025-02-27) [mssonicbld]
* 8334851 - Update PG flow control threshold based on port speed (not on hwsku) (sonic-net#21834) (2025-02-26) [mssonicbld]
* 87e9f82 - [submodule] Update submodule sonic-swss to the latest HEAD automatically (sonic-net#21839) (2025-02-25) [mssonicbld]<br>```

Author: mssonicbld