[submodule] Update submodule dhcprelay to the latest HEAD automatically (#17140)

#### Why I did it
src/dhcprelay
```
* 40c6877 - (HEAD -> master, origin/master, origin/HEAD) [CodeQL] fix unmet dependency for `build-swss-common` (#44) (30 hours ago) [Jing Zhang]
```
#### How I did it
#### How to verify it
#### Description for the changelog
This commit is contained in:
mssonicbld 2023-11-12 16:32:31 +08:00 committed by GitHub
parent 97db5f5b21
commit 73da758b84
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23

@ -1 +1 @@
Subproject commit 2b33d76dbac69d3d9ad9e9f2d37252db525f07b9 Subproject commit 40c68778d4b7a0d6318f1ac271871b87d0058a8a