[submodule] Update submodule sonic-mgmt-common to the latest HEAD automatically (#17801)

#### Why I did it
src/sonic-mgmt-common
```
* 1e84a49 - (HEAD -> master, origin/master, origin/HEAD) Remove Duplicates in topsort results (25 hours ago) [Mohammed Faraaz]
```
#### How I did it
#### How to verify it
#### Description for the changelog

Author: mssonicbld