[submodule] Update submodule sonic-linux-kernel to the latest HEAD automatically (#21749)

#### Why I did it
src/sonic-linux-kernel
```
* a5e9588 - (HEAD -> 202411, origin/202411) [optoe] Reset page select byte to 0 before upper memory access on page 0h (#464) (3 days ago) [mssonicbld]
```
#### How I did it
#### How to verify it
#### Description for the changelog

Author: mssonicbld