[submodule] Update sonic-dhcp-relay submodule (#16942)

Why I did it
Update the submodule to include the following fixes

2b33d76 dhcpv6 per interface counter support 
6a6ce24 fix dhcpv6 relay dual tor source interface selection issue 
c36b8e3 [actions] Support Semgrep by Github Actions (#39)
Work item tracking
Microsoft ADO (number only):
How I did it
How to verify it
This commit is contained in:
Vivek 2023-10-23 18:55:46 -07:00 committed by GitHub
parent 9354980199
commit 34728958a1
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23

@ -1 +1 @@
Subproject commit 511ef96e3b87c386213e0bd9e82d6a572a77b443
Subproject commit 2b33d76dbac69d3d9ad9e9f2d37252db525f07b9