[submodule] Update submodule dhcpmon to the latest HEAD automatically (…

…sonic-net#17750)

#### Why I did it
src/dhcpmon
```
* 2443073 - (HEAD -> 202311, origin/202311) [counter] Clear counter table when dhcpmon init (#14) (#16) (2 days ago) [Yaqiang Zhu]
```
#### How I did it
#### How to verify it
#### Description for the changelog