[submodule][202412] Update submodule sonic-sairedis to the latest HEAD automatically (sonic-net#1001)

#### Why I did it
src/sonic-sairedis
```
* 2b51106 - (HEAD -> 202412, origin/HEAD, origin/202412) Fix invalid polling of port counters (#42) (3 hours ago) [mssonicbld]
```
#### How I did it
#### How to verify it
#### Description for the changelog

Author: mssonicbld