[submodule] Update submodule sonic-utilities to the latest HEAD automatically (#949)

#### Why I did it
src/sonic-utilities
```
* a9fb9ca5 - (HEAD -> 202412, origin/202412) Merge pull request #160 from mssonicbld/sonicbld/202412-merge (21 hours ago) [mssonicbld]
* 235bd658 - Merge branch '202411' of https://github.com/sonic-net/sonic-utilities into 202412 (23 hours ago) [Sonic Automation]
* 3cfd9a68 - Fixed the issues with sonic-clear queuecounter for egress queue and voq (#3816) (33 hours ago) [mssonicbld]
```
#### How I did it
#### How to verify it
#### Description for the changelog

Author: mssonicbld