[submodule] Update submodule sonic-sairedis to the latest HEAD automatically (#17019)

#### Why I did it
src/sonic-sairedis
```
* 7210b0c - (HEAD -> master, origin/master, origin/HEAD) [Link event damping] Add utility methods. (#1313) (20 hours ago) [Ashish Singh]
```
#### How I did it
#### How to verify it
#### Description for the changelog

Author: mssonicbld