[submodule][202503] Update submodule sonic-linux-kernel to the latest HEAD automatically (sonic-net#1452)

#### Why I did it
src/sonic-linux-kernel
```
* f60c881 - (HEAD -> 202503, origin/202503) Merge pull request sonic-net#52 from mssonicbld/sonicbld/202503-merge (23 hours ago) [mssonicbld]
* 5c68aac - Merge branch '202412' of https://github.com/Azure/sonic-linux-kernel.msft into 202503 (23 hours ago) [Sonic Automation]
* 9f5eafd - (origin/HEAD, origin/202412, 202412) Ignore table if the EFI memory attributes are corrupt (sonic-net#51) (2 days ago) [mssonicbld]
* c47cdc3 - Merge pull request sonic-net#50 from mssonicbld/sonicbld/202412-merge (2 days ago) [mssonicbld]
* a1957f1 - Merge branch '202411' of https://github.com/sonic-net/sonic-linux-kernel into 202412 (2 days ago) [Sonic Automation]
* 84db3a0 - Fix slave container used for 202411 branch (sonic-net#504) (2 days ago) [Saikrishna Arcot]
```
#### How I did it
#### How to verify it
#### Description for the changelog

Author: mssonicbld