[submodule] Update submodule linkmgrd to the latest HEAD automatically (#17721)

#### Why I did it
src/linkmgrd
```
* 2089ab6 - (HEAD -> 202305, origin/202305) Exclude DbInterface in PR coverage check (#224) (3 hours ago) [Jing Zhang]
```
#### How I did it
#### How to verify it
#### Description for the changelog
This commit is contained in:
mssonicbld 2024-01-10 04:32:40 +08:00 committed by GitHub
parent 1337597b39
commit 44bc291ba5
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23

@ -1 +1 @@
Subproject commit b9d33d5e5c9c05ba9322dffcc75431da6cbada9e
Subproject commit 2089ab69d71621b06a0b8e7d1e710659743bcb64