[submodule] Update submodule dhcpmon to the latest HEAD automatically (#15634)

#### Why I did it
src/dhcpmon
```
* 824a144 - (HEAD -> master, origin/master, origin/HEAD) replace atoi with strtol (#6) (3 hours ago) [Mai Bui]
* 32c0c3f - Fix libswsscommon package installation for non-amd64 (#7) (6 hours ago) [Saikrishna Arcot]
```
#### How I did it
#### How to verify it
#### Description for the changelog
This commit is contained in:
mssonicbld 2023-06-27 16:37:44 +08:00 committed by GitHub
parent bacba1f988
commit 2047e5c6ed
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23

@ -1 +1 @@
Subproject commit 3c16c8c4ded29c193695d0acc7693f9cada3dfcb Subproject commit 824a1448b9cbe685664f94c25aa00c37e3e3c058