[submodule] Update submodule dhcprelay to the latest HEAD automatically

mssonicbld · mssonicbld · commit 57a802d661cf · 2024-12-18T19:07:06.000Z
diff --git a/src/dhcprelay b/src/dhcprelay
@@ -1 +1 @@
-Subproject commit 84e4419eef4f9b1fafa86ebb7937fe4904aa0795
+Subproject commit af393953b319604677f32b2d714e9c7d21bf57fa
