[submodule] Update submodule sonic-sairedis to the latest HEAD automa…

…tically (#20707)

#### Why I did it
src/sonic-sairedis
```
* 866985fa - (HEAD -> master, origin/master, origin/HEAD) [DASH] Add meter rule bulk support and test to syncd (#1456) (35 hours ago) [Mukesh Moopath Velayudhan]
* c4aea50e - Do not poll counters in bulk mode during initialization for objects that support bulk per CLI option (#1437) (6 days ago) [Stephen Sun]
* 3428ffdd - Adding vpp platform (#1424) (6 days ago) [yue-fred-gao]
* 0317b16e - Do not enter vendor SAI critical section for counter polling/clearing operations (#1450) (7 days ago) [Stephen Sun]
* 90c79c77 - [azpipeline] Fix gcovr nested directory (#1451) (8 days ago) [Kamil Cudnik]
```
#### How I did it
#### How to verify it
#### Description for the changelog