[submodule] Update submodule sonic-sairedis to the latest HEAD automatically (#20958)

#### Why I did it
src/sonic-sairedis
```
* 7817c3b1 - (HEAD -> master, origin/master, origin/HEAD) Use temp view also in fast-reboot (#1401) (15 hours ago) [Aryeh Feigin]
* 7835026d - [syncd] Introduce VendorSaiOptions class (#1472) (15 hours ago) [Kamil Cudnik]
```
#### How I did it
#### How to verify it
#### Description for the changelog

Author: mssonicbld