[submodule] Update submodule sonic-linux-kernel to the latest HEAD automatically (#20568)

#### Why I did it
src/sonic-linux-kernel
```
* 6411b03 - (HEAD -> 202405, origin/202405) Fix RCU stall detected in kernel 6.1 when unregistering devlink (#437) (63 minutes ago) [Vivek]
* bd40662 - Fix for Winbond flash devices that could not parse SFDP (#440) (3 hours ago) [Vivek]
```
#### How I did it
#### How to verify it
#### Description for the changelog

Author: mssonicbld